While Sergeant Brown is away, Alvarez is in charge, and things aren't going well. A U.S. Marshall named Foster convinces Alvarez to release Bo Keebler, a man recently collared for trying to rob a Chinese restaurant, into his custody. But after a fake bomb threat is called in to the precinct, Casey, Alvarez and Walsh discover that Foster is not all that that he seems. Meanwhile, Banks decides to stay in his apartment until he turns 43 in order to avoid getting killed.

Beaumont and Cole interview a couple regarding a break-in at their home. Although nothing was taken, the couple discovered that an adult film they rented was shot in their apartment. After Delahoy and Banks identify other apartments used in the series of adult films, Cole finds a common thread between all of the dysfunctional tenants. Hoping to set the scene for another movie, Beaumont and Cole go undercover. Meanwhile Scraeger becomes emotionally invested in trying to help a serial accuser who was the victim of a violent attack 10 years ago after disappearing from a big prep school party.