Riley Jensen and Roahn Jensen are the only pack each other has. Because their pack and mother threw them out. So anyway Riley is one of those wolfs that has fun but when messed with quick to the trigger. When Roahn, her brother goes missing she tries to look for him. But along with finding her brother she also finds Quinn, a very powerful vampire. When Riley finds her brother he is at a research lab who is trying to create super soldiers out of supernatural DNA. Now with Riley, Quinn, Liander, Jack , Roahn's lives in danger she will have to take a test that will allow her to become a guardian. So she can help stop what is being done to supernaturals like Riley and Roahn, mixed breeds.