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.

Danny is put in a difficult position when a gun linked to a robbery is brought in to the NYPD’s gun buyback program. He must decide to either arrest the suspect or follow the no-questions-asked rule.

When a man with multiple rat bites is thrown from a moving car, Danny works the case to find out why and who was trying to send a message. Meanwhile, Frank must be diplomatic when dealing with a bigoted radio host who will be broadcasting from New York City.

Danny becomes the lead hostage negotiator when an informant in a large drug case holds Erin at gunpoint inside the courtroom.

Frank is put in a difficult position when Danny is charged with using excessive force. Jamie meets a female doctor, and it makes Eddie uneasy.