Erin is overwhelmed with guilt after a man she set free is accused of killing a cop. Also, Frank and Mayor Poole continue their game of political chicken over Frank's reappointment as commissioner, and Danny and Maria investigate a case of a cop who has gone AWOL.
Stars: Donnie Wahlberg, Bridget Moynahan, Will Estes
Director(s): David Barrett
Writer(s): Robin Green, Mitchell Burgess, Brian Burns
Genres: Crime,Drama