A dangerous criminal from Danny's past comes back to seek revenge and kidnaps Jackie. Meanwhile, Jamie meets his new partner. Michael Madsen and Corbin Bleu guest star.

When an injured woman recants her claim of domestic violence, Danny and Jackie look into it further only to find that the woman is involved in a secret relationship with a high powered councilman who also happens to be a friend of...

Erin's ex-husband returns to town and opposes her in court. Frank spends the day with a young man who won a contest and he tells Frank that he doesn't think that the police give equal priority. He talks about how his mother was ki...

Danny and Jackie set out to investigate the murder of a bride on her wedding day in a drive-by gang shooting. However, they are pulled off the case and assigned to the protection detail of a Central American president who they bel...

A detective who was instrumental in the arrest of a Malaysian drug dealer is kidnapped by the drug dealer's brother who threatens to kill the detective if his brother is not released. Frank's stance is not to negotiate with terror...

When Erin's key witness, an infamous photographer, is nearly killed in a hit and run, she arranges for Danny to work protection detail to safeguard him.

Danny is called to the scene on Halloween night, when a man in a priest costume is attacked by a figure dressed as a skeleton. Detective Kate Lansing is assigned to help on the case and she recognizes the skeleton costume as the g...

Danny arrives at a college campus to find a murdered student, who was thought to be dealing drugs.

Danny is investigating the shooting of a man who's an ex-con, and there's a lot of people who want to see him dead. The man dies in the hospital and he asks for a priest to give him the last rites. Danny learns of this and asks th...

When two motorists driving gas-guzzling cars die at the hands of a sniper, Danny and Kate are put on the case of what the city believes is the work of a radical environmental serial killer.

Jamie must deal with the emotional consequences of his actions on the job. Susie Essman and Annabella Sciorra guest star.

Danny is pulled over by a cop who asks if he can look what he has in the back of his vehicle. Danny asks him what's going on, he says he got a tip that a vehicle like the one Danny is using, was at a drug buy. Danny thinking it's ...

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. Mary Elizabeth Mastrantonio and Mark Moses guest star.

The former mayor gingerly approaches Frank after Jamie arrested his spoiled-rotten brat daughter, by the book, for drug possession and gross disrespect, which continues even in court. While Henry attends the funeral of his Hassidi...

When a 10-year-old boy is the victim of an incident in the projects, Danny's heated approach to the case lands him in anger management class.

Danny and Jamie are playing basketball with some other guys. A guy Danny knows gets into it with a guy Jamie knows; the guy Danhy knows smacks the guy Jamie knows. The one who was smacked has to be hospitalized and he demands that...

Amid protests over the NYPD's new "stop, question and search" policy, Erin and the entire Reagan family are targeted by a protest group's photographer, who is publishing the photos to a website. When a rape victim that Erin is pre...

When a man is shot in Times Square, Danny investigates and learns the man had no enemies or reason for someone to kill him. Another person is killed and there appears to be no connection between the two victims. He later learns th...

The body of a girl is found in the cemetery laid out as if she was being prepared for burial with a cross in her hands. Danny investigates and talks to her father, who says she's a very devout Catholic girl. But when they talk to ...

Danny was about to apprehend a known drug dealer but a man who accompanied him starts shooting and even the dealer is hit. Danny goes to the hospital to talk to him but Linda won't let him. Later the shooter kills someone else. An...

When a man is found wandering the street with blood all over his clothes, Danny and Baez try to find out what happened but the man says he doesn't remember. He says he's from out of town and he's with his girlfriend and that he's ...

Danny gets a call to go to a project where a gang rules with fear and intimidation. Jamie finds a girl standing on the roof holding her baby, saying she can't stand their lives being controlled by street gang Los Lordes so she jum...

As the Reagans rally together to take down the leader of the gang responsible for the murder of someone close to them, Danny looks to the gang leader's girlfriend to lead them to him.