Amy Carlson

After losing someone close, the Reagans join forces to bring down the gang leader responsible. Danny focuses in on the gang leaders' girlfriend as a way to find him. Frank is hit hard by a second loss.

Danny discovers a disoriented man in the park covered in his girlfriend's blood with no memory of what happened. After a strong narcotic is found in the man's blood, Danny must figure out what transpired. Jamie's good deed helping out a intoxicated off-duty officer gets him in trouble.

A drug deal gone bad results in two deaths and a wounded accomplice. When Danny gets to the hospital Linda won't allow him to question the suspect until after surgery. A battle ensues between Danny and Linda when the suspect dies in surgery.

Danny investigation into the murder of a religious young woman reveals a secret that shocks her family. Frank and the 12th Precinct must contend with a disgruntled ex-police officer who is targeting those he holds responsible for his current situation.

Danny and Erin collaborate on a cold case involving a girl who was attacked by her boyfriend who was never convicted. A friend of Jamie's sues Danny's friend after an injury at a pick-up basketball game.

Danny's assigned to take an anger management class after his handling of a case involving a 10-year old victim. Politics are the order of the day as Frank tries to help a young Turkish woman avoid persecution.

After an on the job incident, Jamie meets with a NYPD psychologist to deal with his emotional aftermath. Meanwhile, Erin questions Mayor Poole on the witness stand during a trial with a very no-nonsense judge presiding.

Danny investigates the murder of a college student who may have been dealing drugs. Jamie reconnects with a former law school classmate and wonders if he made the right career choice. Nicky's growing up and Erin has to learn to give her some freedom.

Danny's on the hunt when a Malaysian drug lord takes a recently decorated NYPD detective as his hostage. When Henry goes on a ride-along, Jamie is introduced to other ideas about how to do his job.

Danny and Jackie's investigation into a drive-by murder is reassigned when they are needed to protect a central American president who's been targeted for assassination. Jamie begins to question his new partner's methods.

When two separate murder victims are found to be part of a group charged with gang rape, Danny considers the possibility that the same person killed them both. Erin faces off in court against her ex-husband Jack Boyle.

Danny and Jackie investigate when an injured woman recants after making a domestic violence claim against a councilman, who also happens to be a friend of Frank's. Danny has to adjust when Linda goes back to work.

Danny and Jackie discover a leak in the NYPD after an attempt is made on their witness in protective custody. Erin has a chance to work with Frank when she's offered the job as deputy mayor.

When a 12-year-old boy insists Danny reinvestigate the suicide of his firefighter father, his gut tells him to listen. Jamie's heroic actions at a building fire have him concerned his undercover work could be put at risk.