Frank faces public backlash after an officer's body camera malfunctions during an altercation with a civilian. Meanwhile, Danny and Baez struggle to protect an informant after the U.S. Marshall's Service decides not to put him in Witness Protection, and Erin investigates an old friend's daughter's claim of rape at a prestigious university.

Frank pushes to find evidence against a suspected cop killer who shot one of Henry's fellow officers years ago. Meanwhile, Danny and Baez investigate a string of murders involving adult film stars.