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The Infinite City #3

Vengeful Heart

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When his mate is threatened, nothing burns hotter than his wrath.

Against all odds, Arcanthus found Samantha, his beautiful, sweet terran mate. His fated one. Her love shattered the barriers around his heart.

After defeating a ghost from his past, Arc thinks he and Samantha are safe to move on with their lives. But she has a past of her own, and it refuses to let her go.

He nearly lost her once. He will not take that chance again.
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Imporant Note: Vengeful Heart is not a standalone. This story features Arcanthus and takes place after Silent Lucidity and Shielded Heart, both of which should be read to enjoy this.
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Check author's website for content/trigger warnings.

Kindle Edition

First published October 1, 2022

195 people are currently reading
1400 people want to read

About the author

Tiffany Roberts

54 books5,263 followers
Tiffany Roberts is the pseudonym for Tiffany and Robert Freund, a husband and wife writing duo. Tiffany was born and bred in Idaho, and Robert was a native of New York City before moving across the country to be with her. The two have always shared a passion for reading and writing, and it was their dream to combine their mighty powers to create the sorts of books they want to read. They write character driven sci-fi and fantasy romance, creating happily-ever-afters for the alien and unknown.

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5 stars
577 (44%)
4 stars
430 (33%)
3 stars
235 (18%)
2 stars
40 (3%)
1 star
9 (<1%)
Displaying 1 - 30 of 93 reviews
Profile Image for Stacy.
84 reviews2 followers
October 1, 2022
I AM TRAPPED IN A GLASS CAGE OF EMOTIONS

AAAAAHHHH!! MORE ARC AND SAM!! MORE TENTHIL AND ABELLA!! MORE URGAND AND SEK’THI CUTENESS!! Oh this made my reader’s heart go pitty-pat, and not just because anything with Arc and Sam in *must* be amazing! We got to see old friends, watch a relationship blossom, and see an old wrong avenged! AND WE GET TO SEE ARC IN A SUIT!!! I am verklempt. Catch me, for I have the vapors! My heart, she explode! I AM SO HAPPY!
Profile Image for Serena Buffaloe.
659 reviews12 followers
October 8, 2022
Such a beautiful story !!!!

Oh my GOSH !!!!
This book was like one Huge love letter to Samantha from Arc !!!! So much love filled these pages ( well, except for that, " ....... one Small isolated, incident.... " - [ u have to say in Arc's voice } :+))), that I am still smiling !!!


Arc and Samantha are settling into their happily ever after , along with their family in the new compound . Arc has never loved on this level, and he will DESTROY and obliterate Any obstacle that could possibly interfere with Sam's happiness .

Enter a blast from Sam's past......

As this book flows forward , we see Arc at his most protective , and we also get to see the depths of his love , and the things he will do to hold on to it !! We also get a peek at the couple from a previous story ,Silent Lucidity, and what they have been up to !!! Gotta say that I was Soooo excited to read about Tenthil and Abella , and what they have been up to !!!!! The dynamic between Him and Arc is chock full of snappy, witty comebacks , and had me laughing out loud several times !!!
I can never get enough of these Infinite City characters !!!!
This was such a beautiful , story , and I can't wait to read what's next for this series !!!!
Profile Image for Poppy || Monster Lover.
1,822 reviews512 followers
May 10, 2025
While I liked that this wrapped up stuff from Arc and Sam’s first book, I disliked that Arc was not forthcoming about what he was doing, even after the fact. He’s still funny though.

Spice: 2/5

Triggers: SA, video footage of SA, domestic violence, murder, torture, trafficking
4 reviews1 follower
November 24, 2022
I want more of them, they've been my favorites in this series so far 😭. Glad we got this sequel!
Profile Image for Angela Plumeria.
430 reviews4 followers
February 20, 2023
I loved Arcanthus in Shielded Heart, so I was so happy to get more of him and Samantha Dawn Wilder. It was an interesting book, cool to catch up with Tenthil and Abella also. The contrasts just show how much more interesting Arcanthus is as a character.

There wasn’t a lot of threats to the protagonist in this book. Understandably, Arc’s human foe doesn’t stand a chance. I’m glad that was in line but I wish that there was a little more suspense and action. The other reason I didn’t give it 5 stars is because it had so many typos and needed more attention to detail.

Arc and Samantha’s love for each other really shines through and makes it so sweet and powerful. I loved the dynamics between them.
Profile Image for Katie.
533 reviews158 followers
September 5, 2025
This was a cute novella that concluded the story of Arc and Sam. It tied up loose ends that had been left from the previous book as well as seeing what Abella and Tenthil are up to nowadays.

I adore the found family we have in this series. This book was everything I could have wanted, I just wish it had been a bit more fleshed out in parts.
Profile Image for Sam.
22 reviews
June 7, 2024
I cannot express how much I love the relationship all the characters have with each other. Even in the most emotional scenes, I found myself laughing for one reason or another. Absolutely loved this addition to Sam and Arc's story.
Profile Image for shannon  Stubbs.
1,969 reviews12 followers
January 4, 2026
Better than the second book

This was as good as the first book but better than the second one. Even the bonus story was pretty good.
57 reviews
February 23, 2024
DNF at 60%

Had lots of pointless dialogue, slow moving plot, nothing else, disappointing as this couple was great in the previous book.
Profile Image for Rakshalaya.
57 reviews17 followers
October 4, 2022
I love all of their dynamics!

*Read it on Kindle Unlimited and there are spoilers in my review, please read with discretion.*



I read it because Arc in the book cover is so interesting so I picked it up on KU.

I really love this book, especially their found family dynamics and the love Arc and Sam have for each other. Their love is something that gave me a very high standard when it comes to it. Arc's interaction with his friends are top notch funny and I love their interactions, especially on Arc and Tenthil. I hope they meet again someday. Their dynamic is amazingly well-written.

The wedding is amazing and so personalized to them, it suits them very much. Yes to Drakkal being a second mother, because he is.

I rated it 4 stars because of his lying by omission. I get that he does not want her to worry, but so is not giving her closure but of course, it could be her personality that will hinder (and maybe she would worry too much). I grew a bit irritated there, but it's okay. It is my personal opinion that marriages should start with trust and honesty, so I did not like what he did here in the name of love. It lacks trust.

But all in all, this is a very good book and I recommend this book who loves alien romance with found family and high standards of love (for me, at least).
Profile Image for Kelly.
5,706 reviews228 followers
October 17, 2022
Arcanthus doesn't do things by half measures when it comes to protecting Samantha. He'll leave the (relative) protection of the Infinite City (where he's built a veritable fortress around himself and his mate) to take care of business back on Earth so Samantha never needs to be afraid of the man she fled from.

And of course, Arc being Arc, he does all this with style. I mean, the guy can pull of a terran suit like it's nobody's business, amirite?!?! To be fair, his security team gives him grief about his attempt to blend in with the locals, but Arc does what he does best and ignores them. (We also get some not-so-subtle flirting between the members of Arc's security team and I LIKE watching those two sort of dance around one another.)

On top of Arc taking are of Samantha's little problem, we also get to visit some familiar faces and watch Arc go all crafty and cold as he confronts Sam's past. Plus, his special brand of long distance lovin' pushes some of the not-so-good memories out of Sam's head and replaces them with, well, him.

A little danger, an epic shopping spree, a visit with a very pregnant couple, and Arc making the world a little safer for his honey. Plus, that aforementioned long distance lovin'. GOOD TIMES!

-Kelly @ Reading the Paranormal
Profile Image for Aly.
150 reviews
October 20, 2022
I’m so excited to have returned to the Infinite City! I love this series and the characters so much. Since reading Arc and Samantha’s story it’s bugged me that her ex never had to deal with any backlash or fallout from what he did to her that forced her to run away and leave earth so I’m thrilled we finally got to see that!

Arc is a fucking badass! Like I hate that he left Sam alone so long but the lengths that this man went to to make sure she would never be hurt by that POS…and he’s so perfect in every way!

Seeing Tenthil and Abella again and the life they’ve created since they got away was so great! This addition really just tied up so many things that left my heart a little hurt from the previous books 🥹 and I’m so happy about it ❤️

IT STILL DOESN’T MAKE UP FOR THE EMOTIONAL DAMAGE OF THIS SERIES THOUGH 😭😭
Profile Image for JML.
1,301 reviews24 followers
October 13, 2022
Absolutely loved it . 💖🔥💖💖🔥💖💖💖

I love revisiting old friends! Arcanthus has found out his Little flower his Samantha is in danger. A horrible threat from her past is reaching across space wanting to drag her back into the hell she escaped from. Arcanthus will allow nothing and no one to harm the love of his life. He travels across the stars to extract justice and to make sure personally that his beautiful mate will never have a reason to read again!💖🔥💖🔥 this was an awesome addition to the infinite city series! Tiffany Roberts as always does a beautiful job with world building, well written characters with intense chemistry and truly terrific storytelling! Highly recommend💖💖🔥🔥💖💖🔥💖🔥🔥💖🔥🔥🔥💖💖💖💖🔥💖🔥💖💖🔥💖🔥💖💖💖💖💖💖🔥🔥🔥🔥🔥💖🔥💖💖🔥💖🔥🔥💖🔥💖🔥💖🔥💖🔥💖🔥💖🔥💖🔥💖🔥💖🔥💖🔥🔥💖💖🔥💖🔥💖🔥🔥🔥🔥
43 reviews1 follower
October 9, 2022
Sam and Arc part 2

I'm so glad that we get another book with Arc and Sam. It's great to see how Sam has healed emotionally and Arc becoming more open to others as well. Also, we get to see Abella and Tenthil. The scenes between them are so endearing. Overall the story deals with Arc ensuring that Sam is safe in the future. So he has to deal with Sam's ex l, who has threatened her safety. For those who are sensitive, I would check out the trigger warnings. In this book it does deal with themes of domestic violence and abuse. Overall, I'm glad Tiffany Roberts wrote this book to tie up the loose ends.
April 1, 2025
It was great for Samantha to have her revenge but it was still uncomfortable reading this. That man deserved to die a brutal death, but READING about the death made my stomach turn. Love abusers getting what they should get but I won’t be adding this to my reread list.
This entire review has been hidden because of spoilers.
Profile Image for galaxypox.
39 reviews
September 2, 2025
RAHHH I finally finished this book. I enjoyed it a lot, though, I can't say I liked it more/as much as Shielded Heart, but I still liked it! My review below.
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So, I was expecting more Sam and Arc, and not just Arcanthus with this. Vengeful Heart follows Arcanthus and two of his employees/friends Urgant and Sekk'thi leaving Arthos to Earth to hunt down and eliminate James, Samantha's abusive ex-boyfriend. After learning that James is trying to get her back, Arc wants to put an end to any dangers that still linger around his mate so they can continue building their lives. While he is there, he pays a visit to Abella and Tenthil. I was super happy to see them come back up in this. It takes place before the epilogue in their book with Abella pregnant with their first child. After getting advice from Tenthil on how to go about killing James on Earth and wedding traditions from Abella, Arcanthus both shops to propose and marry Same and take out James. We learn how truly fucked up James was and it was satisfying to read Arc torture and kill him, all while making sure his will donates everything to domestic abuse charities.

I think my main issue with this is that it was done without Samantha knowing. While I get the thought process on wanting to preserve what she views as a now peaceful life, I think she should have known at some point or even after the fact. I had the thought that she should be the one confronting him, and I still hold up that thought in a way, but I also know some victims just want to move on with their life.

I thought Sam and Arc's reunion was so so sweet, and the wedding epilogue was just so cute. I loved the extra content with Urgant's and Sekk'thi's little romance too. Pregnancy was briefly mentioned with Abella and Arcanthus wanting that with Samantha, and I am surprised to say this, but I would have loved to have a little pregnancy moment between Sam and Arc as well lol.

Overall, I enjoyed this installment of The Infinite City and I am glad that I, as the reader, got some closure from the last book. I was also curious and left wanting more done in the realm of James in the last book and I am glad the authors wrote this book!
Profile Image for Amanda Lutterman.
Author 29 books13 followers
December 15, 2025
⭐️⭐️⭐️⭐️

I enjoyed this book, and I continue to love this couple, but I do have some mixed feelings about how this installment was handled.

I loved the first book in this arc more, largely because it was heavy on world-building, discovery, and firsts. Getting to know Arc and Samantha, watching their relationship form, and being immersed in the Infinite City was incredibly satisfying. This book, by comparison, felt more like an extension of the previous story rather than a fully standalone installment. In many ways, it read like an extended epilogue or a continuation meant to tie up loose ends.

That said, I still very much enjoyed my time with it. Arc remains one of my favorite characters in the series. His devotion to Samantha, his protective and possessive nature toward her, and the way he softens only for her are exactly what I love about him. He may be rough and sharp-edged with the rest of the world, but his love for her is unwavering, and that contrast continues to work beautifully. The romance is strong, the emotional connection is solid, and there are some genuinely enjoyable and steamy moments throughout.

I especially loved the personal touches, like Arc’s over-the-top way of caring for Samantha, the shopping spree, and the wedding at the end. Drak’s vows and personality were absolutely on point and added some much-needed humor. Those moments felt very true to the characters and were a joy to read.

My main critique is that I don’t fully understand why this story needed to be a separate book instead of being included in the previous one. While I respect giving the story the space it needed to wrap up properly, it didn’t quite feel like a new chapter so much as a continuation.

Overall, this was still a solid read, and I’m invested enough in this world and these characters to continue the series. It just didn’t quite reach the same emotional impact as the first book for me, which is why it lands at four stars instead of five.
Profile Image for Rachel (The Rest Is Still Unwritten).
2,035 reviews186 followers
January 10, 2026
Vengeful Heart is the third novel in the Infinite City series by Tiffany Roberts and is a short tale following Arcanthus and Samantha once again.

When his beloved mate is threatened, Arcanthus decides to take matters into his own hands to protect her. Samantha is his whole world and after defeating the ghosts of his past Arc is hoping for a quiet life with her. Unfortunately, Samantha has a past of her own and it refuses to let her go. Arcanthus almost lost her once and he won’t take the chance of losing her again. Even if he has to travel across the galaxy to destroy the threat against her.

Picking up not long with the previous novel concluded, Vengeful Heart is a short but sweet story that sees Arcanthus travel to Earth in an effort to destroy a threat against Samantha when a ghost from her past rears its ugly head. Readers will be aware of what Samantha went through in the abusive relationship she shared with her ex-fiancé, but it’s not until this instalment that Tiffany Robert’s truly explains the horrors she experienced.

There’s something very poetic about justice being served in the form of her mate Arcanthus who adores her more than anything in this world. Seeing him continue to do anything for her is very sweet, even if it means tracking down the one who previously caused her pain.

Vengeful Heart is a very quick read but has some light-hearted moments as well, including the sweet blossoming relationship between Urgand and Sekk’thi which was but a small part of the story that still prove to be very adorable. I’m looking forward to seeing Drakkal’s story next and exactly what Tiffany Roberts has in store for this gruff and surly kitty cat.
Profile Image for Margaret McCarthy .
91 reviews
October 27, 2023
Continuing with the Infinite City series by Tiffany Roberts, I quickly devoured Vengeful Heart. Vengeful Heart is a short story that focuses on Arcanthus traveling across the galaxy to ensure his mate, Samantha, is no longer targeted by her abusive ex. While I’ve been reading these stories out of order, it is highly recommended to read book 1 and 2 prior to reading this story in order to understand all the characters involved. Overall, this was a really sweet read and a good palate cleanser.

What I loved:
👽 The personality of all the characters. As much as I am intrigued by this world, I absolutely adore the personalities of the members of Arcanthus’ security team/family. I found myself laughing constantly at the playful banter between everyone while they picked on Arcanthus. While Drakkal is still my favorite, I loved the interactions between Urgand and Sekk’thi; hopefully they are the focus in a following story.
👽 The name of the ex. As petty as it sounds, one of my ex-boyfriends also had a similar name so I thoroughly enjoyed the interactions between him and Arcanthus.
👽 Favorite quote: “’I’d expect nothing less, my friend.’ As he opened the cab door, Tenthil snapped, ‘Not friends.’ Arc leaned closer. ‘You haven’t killed me yet. If that’s not friendship, I don’t know what is.’”

Warning for future readers:
🛑 This is an ALIEN erotica. Emphasis on the ALIEN part. If this is not something you are ok with reading, do not read this book. You have been warned

Star rating: ⭐⭐⭐⭐
Spicy rating: 🌶🌶🌶
Profile Image for Sienna.
149 reviews3 followers
December 13, 2023
4/5 ⭐
2/5 🌶️

**Tropes**
- Fated Mates
- Revenge on Abuser
- Sassy MMC


📖 **My Thoughts**
This sequel doesn't feel necessary, but it is pure fun. Our MMC flies to Earth specifically to dish out some sweet sweet revenge on his lady's past abuser. Who doesn't love that? We get silly outfits, snippets of shenaniganry, some sci-fi phone sex, a cute side character romance, and to see Tenthil and Abella from book one again!!!!! Ahhhhh!!! I love the book for that alone. Our boy is doing so well, why didn't he get a sequel?????


⚠️ **Triggers**
- Violence, Murder, Death, Gore
- Human/Alien Trafficking
- Mentioned Torture, SA, Domestic Abuse
- Past Toxic Relationship


🌶️ **Spice**
The fanciest of fancy peens, with a man who is honestly walking sex. There's one regular scene and then a phone sex scene, both well-written and fun to read.
Profile Image for Sally.
125 reviews13 followers
April 28, 2023
I enjoyed this a lot, and I really loved seeing Abella and Tenthil again. Tenthil hating Arcanthus is my favourite thing 😂

It sat at 4 stars most of the read because while it was lots of fun, Arc and Sam are seperate for most of the book which was a bit of a bummer.
I loved that her abuser finally got a piece of what he deserved - that said the content in this could be VERY triggering for a lot of people.

I nearly bumped it up to 5 stars at the end for the funniest wedding scene I’ve ever read but then the book ended and Arc hadn’t spoken to Sam about what he did.
I would have liked the story to end without his secret between them, so at 4 stars it stayed.

Otherwise, a really enjoyable read. Lots of the usual fun bully-banter and sweetness!
Profile Image for Alejandra Anzart.
131 reviews1 follower
January 27, 2025
Estoy enamorada de Arcanthus 😍.
Me ha encantado porque esta narrado casi en su totalidad por Arcanthus ❤️❤️❤️.
Semantha esta más segura de si misma, a evolucionado para bien, eso me agrada mucho.
Adoro cuando los escritores nos regalan una verdadera participación de personajes principales de libros anteriores. En este caso nos dio un capítulo con Arc interactuando solo con Abella, y otros tres nada más y nada menos que narrados por Tenthil 🙌🏼❤️🙌🏼.
No me molestó que los protagonistas estuvieran separados durante casi todo el libro, fue buena justificación lo del viaje de Arc (no fue porque estuviesen peleados). Además, en todo momento Arcanthus nos recuerda lo mucho que ama y extraña a su terrana, y que decir de la ternura de Sam cada vez que tiene la posibilidad de hablar con él 🥰🥰🥰.
This entire review has been hidden because of spoilers.
Profile Image for SL Thomson .
395 reviews10 followers
December 5, 2022
Thanks for this

They say violence begets violence and it was proven in this story. Love is shown as a powerful weapon and the lasting effects violence can have on a personal level. I am glad that Arc made sure his wife, his mate, his everything was safe. What a nasty piece of work Samantha's husband was. This book is a tribute to those that don't have anyone to cross galaxies to protect them. I mean, just wow, he crossed the universe for her. Just imagine the enormity of that kind of love...oh yeah, we just did. Super story. Oh and when Arc was silent....powerful.
Reviewed by Who She Reads.
Profile Image for &#x1f4d6; Yazzie &#x1f4da;.
588 reviews
April 8, 2023
A short book, I filled expected this one to be longer but I’m also happy it wasn’t. A nice little novella for Sam and Arc. Even though they were seperate in this one it was cute how obsessed Arc is with her. And it was nice that it was reciprocated by Sam too!
Basically Arc is getting revenge on Sam’s human ex in this book because he’s been trying to find her and bring/kidnap her back to earth and his control. Obviously Arc didn’t appreciate that much at all… so forth the events of this book!
There wasn’t quite enough of this book to be in love it with but it was cute and if you liked the other books this one is worth it too.
Profile Image for Sorcha Schumpert.
93 reviews1 follower
June 4, 2023
So sweet

This book follows closely behind the events of shielded heart. However, instead of Arc's past rearing its ugly head, this time it's Sam's. ARC takes it upon himself to solve the problem with trip to earth while there we get to see a blossoming relationship between Urgand and Sekk'thi. We even get another sneak peak into Tenthil and Abellas life when ARC seeks out there help with both reasons he is on earth.

This booked ended on an incredibly sweet note as we got to read about their wedding. I can't wait to pick up book 4 and read more about the infinite city and all of the people and aliens we have met so far
Profile Image for Alex (HEABookNerd).
2,451 reviews
December 27, 2024
I loved seeing Arcanthus again in VENGEFUL HEART but where was Samantha? The vast majority of this novella had them away from each other while Arcanthus visited Earth. I did appreciate that Sam's ex got what he deserved, and it was fun to see Abella and Tenthil again, but I would have preferred seeing more of our happy couple living their lives.

Content Warning: references to past domestic violence

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Favorite Quotes:

For her, Arc would find a way to unravel time, to move galaxies, to do anything it took to keep her safe and let her know that she was loved more deeply and fiercely than anyone in all existence.
Profile Image for The Book Whisperers.
161 reviews24 followers
October 2, 2022
Infinite ♾️ love

Vengeful Heart is a continuation of Sheilded Heart ❤️
Acanthus sets out to save his mate Sam from an old enemy and in the process he comes face to face with his own demons.
To save his mate he will have to face some hard, ugly truths about himself and his business.
I thought this short novella was a nice bonus to Arc and Sam's story with a sweet ending.
We get to catch up with Tenthil and Arabella as they get roped into helping Arcanthus and a wonderful look at futuristic Earth.
I look forward to more stories from the Infinite City.
Displaying 1 - 30 of 93 reviews

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