Sorenson is missing, and a stripper is found murdered in his apartment. Medavoy and Jones investigate a killing, but the suspect identified by an eyewitness has a seemingly unshakable alibi.

Andy witnesses a hold-up in the street and shoots at the get-away car. Det. Ross is assigned to fill in at the squad again.

A man caught carrying a cash register takes Andy and Danny to a body. Fancy is packing up to leave. His replacement alienates the squad before he's even left.

The detectives investigate a multiple homicide at a fast food restaurant; an addict gives his baby daughter to a drug dealer as collateral on an overdue loan; Internal Affairs reopens the Kirkendall case.

Danny is restored to full duty. Off. Szymanski's cousin is knocked down in the street and killed. Capt. Bass's wife is injured during a robbery at her store. Greg plays matchmaker.

Rodriguez mediates when Sipowicz and Sorenson clash with detectives from another squad anxious to solve a multiple murder case; Medavoy and Jones try their hand at making extra cash by cleaning up murder scenes.

Sipowicz and Sorenson investigate the murder of an exotic dancer; Sipowicz and Medavoy act as elderly decoys to catch some street thieves attacking old people outside a local bank.

Sipowicz and Sorenson investigate the murder of a drug dealer, while Sorenson continues to see the stripper, Kristen, who draws him into a favor for the owners of the Tailfeathers club.

Fancy bawls out Diane and Danny about being in a relationship. A man traveling on the subway is killed. Denby is implicated in the courier scam.

Danny wakes up in Diane's bed. Andy and Katie get Theo's test results. A former colleague of Bobby's reaches out to Diane from prison. The team investigate a series of cab-driver shootings.

Sipowicz and Sorenson try to get one scared witness to identify a murder suspect, while Russell and McDowell guard another witness who's due to testify in a murder trial.

An female officer is shot following a stationery store robbery and later dies in hospital. Danny tries to keep Diane safe. A new ADA arrives. Katie decides to move back home.

Fancy is being sent on a training course ahead of the squad getting computers. A woman is attacked by a court jester in a hotel room, then a body is found in another room - are they connected? Diane questions her involvement with Danny.

A homeless guy Danny was trying to protect turns up dead. The DOA's father is concerned about the trust fund his sister will now inherit.

Sipowicz and Sorenson investigate a case involving an off-duty police officer who was shot in the company of a prostitute; Medavoy and Jones aid a hapless bodega owner by concocting a story to keep him out of jail.

A schoolgirl is found dead. Andy asks Eddie's niece on a date. John babysits Theo for the first time.

A man looses his penis. Fancy makes Captain and the incoming Lieutenant is a ball-breaker. Andy is having second thoughts about Cynthia. A mob hit-man sings like a canary and implicates a celebrated Customs officer.

Diane turns to a friend at the Survivor's Network for help. A body is pulled from the water. Two Chinese men are brought in handcuffed together. The new computers arrive.

Danny could be in big trouble for roughing up a suspect. Detective Connie McDowell joins the team for the day.

Jones and Medavoy investigate the murder of a Chinese restaurant owner. An IRS agent claims to have been kidnapped and released, but Sipowicz and Sorenson doubt his story.