When Danny shoots a cop who failed to identify himself, he is put on modified assignment and must face an Internal Affairs investigation, which delves into his personal state of mind that day.
When three men attempt to rob a bank, Danny discovers that one of the perps happens to be a former cop. Meanwhile, Jamie works with a new partner, Luisa Sosa, on ‘Bingo Bag’ duty.
Frank made an arrest in a rape case 18 years ago and Erin decides to reopen the case. Danny and Jackie have to deal with the murder of three teenagers for which there appears to be no motive.
Frank deals with a political crisis after Jamie and Renzulli are injured by a church security team that refuses to let them enter a religious center in response to a 911 call.