The officers of 15 Division have been assigned a thankless task: "helping" tenants move out of a condemned subsidized-housing complex and into a neighboring building. While checking on an empty unit, Andy and Chloe find a man who has been tortured and beaten unconscious, leading to the discovery of a ruthless criminal operation. Meanwhile, Nick and Gail arrest a pair of teenage siblings with secrets of their own, forcing Nick to divulge some of the darker truths of his own past.

Following Dov's discovery of Chris's cocaine problem, Chris seems to have gotten on the right track. He's going to meetings, he's clean as a whistle—and he sure as hell doesn't need a babysitter. But while working a residential home invasion case, Dov discovers that Chris might not be ready to change after all. Back at the station, Steve lets Traci know that he is about to raid an illegal poker house where her ex, Dex, is a regular. With Traci's custody battle heating up, she knows Dex's arrest would end it once and for all; but does she really want Leo's father to end up in prison?