‘Good Boy’ Episode 3 Review: The Case Gets Darker, Dong-ju Stays Gold

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“Anyone who faces me in the ring, always goes down,” warns ‘Good Boy’ Yoon Dong-ju (Park Bo-gum) when he faces suspicious customs officer Min Joo-Yeong (Oh Jung-se).

Episode 2 of Korean series ‘Good Boy’ ended with athlete-turned-cop Dong-ju pinning down the man who who hit him with a car and dragged his along the road in the pilot episode of the show. It turns out to be a high-level customs officer called Min Joo-Yeong, although the corrupt officer pretends to not recognize Dong-ju. There’s no proof against Joo-Yeong, clearly the antagonist of the series, while Dong-ju’s close friend Lee Gyeong-il (Lee Jung Ha) is framed in the hit-and-run case that results in the death of a customs officer. So episode 3 follows Dong-ju’s efforts to prove Gyeong-il innocent, but a tragically dark turn of events make it harder to investigate the truth.

Titled ‘Million Dollar Baby’, episode 3 of ‘Good Boy’ opens with a flashback of Dong-ju’s crush Ji Han-na (Kim So-hyun) from 2018 Olympics, showing how she missed her chance at winning Gold, despite being a top contender. The focus then shifts back to Dong-ju efforts to investigate the hit-and-run case, and save Gyeong-il from falsely being convicted. Meanwhile, his boss Min Joo-yeong (Heo Sung-tae), also the leader of the newly formed special team, comprising of former Olympic athletes, is still working on convincing Jong-hyeon (Lee Sang-yi) to join their squad and also dissuade Han-na from quitting the force.

Scenes from Good Boy

This episode is fast-paced, serious, and noticeably darker in tone than the first two episodes of ‘Good Boy‘, although comedic scenes are still sprinkled here and there. The bulk of the humor comes from the Tom-and-Jerry-like relationship between Dong-ju and his senior, Min Joo-yeong. Dong-ju’s impulsive, emotional actions in the case keep giving Min Joo-yeong a headache; however, the boss has clearly grown fonder of his junior.

Dong-ju is the kind of character one would root for, and Park Bo-gum portrays him with endearing charm, flitting between super cute in the light scenes and fiercely intense in the action sequences. Lee Sang-yi, too, continues to be suave as Jong-hyeon, serving as a worthy love rival to Dong-ju, as both of them are in love with Han-na. This episode even features a mildly funny face-off between the two men.

By the end of episode three, everybody in Dong-ju’s team is convinced that the hit-and-run case isn’t as simply as it seems, with a mysterious expensive watch serving as a crucial clue to unraveling what’s happening.

You can stream the series on Prime Video.

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Published on June 07, 2025 13:51
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