Jamie's conduct is questioned when a suspect he was pursuing is fatally injured; Baez goes under cover to investigate a drug dealer -- the fiance of Danny's ex-girlfriend (Charisma Carpenter).

A kidnapping investigation brings back bad memories for Danny, who worked a similar case years ago; Frank and Inspector General Peterson butt heads.

Jamie stands up for a fellow officer, ostracized for testifying against their partner. Frank is given a difficult request by Boomer.

A NYPD whistle-blower claims there's been abuse of power within the organization, so Frank must investigate whether this is true. Meanwhile, Danny and Baez are suspicious of a car accident involving a pedestrian and think it may have been intentional.

A famous basketball player is found dead of an apparent drug overdose. Danny investigates and looks into the victim’s possible ties to a local drug gang. Meanwhile, Erin revisits the case of a man she may have wrongfully convicted years ago; and Frank is approached by Archbishop Kearns regarding an eviction matter that Jamie and Eddie are working on.

When a video surfaces of officers partaking in a clear case of entrapment, Frank focuses on finding the cop who leaked the video. Eddie retaliates against a co-worker who is pranking Jamie. Danny and Baez investigate the murder of a tabloid writer who worked in the hip-hop scene. Erin gives a high-profile case to a young ADA under her tutelage.

Business becomes personal for Frank and his 1 Police Plaza team when Baker is assaulted on the street, as well as for Erin, when she asks her ex-husband, Jack Boyle, to represent a defendant she’s prosecuting. Also, Eddie wonders if she’s being too stubborn after she publicly undermines one of Jamie’s decisions at work, and Danny and Baez investigate the attempted murder of a couple with huge secrets.