The grisly discovery of human bones in a ravine re-opens a 15-year-old missing persons case, and Swarek teams up with his old training officer, Charlie Walsh, in an effort to close the case. But an up-close-and-personal look at Charlie's life makes Swarek think twice about whether he wants to continue in his mentor's footsteps. And a weird night gets even stranger when Chloe and Dov can't agree with how to deal with a witch and her disgruntled client.

Chris' reunion with his rookie family takes a shocking turn when his son, Christian, is kidnapped while in Andy and Nick's care. As the squad spreads out to search for the boy, Swarek is confronted with Andy and Nick's budding relationship. As our officers discover clues to the identity of Christian's abductor, Chris is slapped with a stunning revelation that might tear his new family apart.