A mother and 5 year-old child have been shot dead in their apartment. Simone and Sipowicz suspect that a previous break-in may be connected to the killings and that ADA Cohen might be able to help them find the killer. Russell and Kirkendall search for a missing child and trace known paedophiles in their hunt for the abductor. Sipowicz's doctor gives him some good news and good advice.
Two bodies are found in the same vicinity. One, a car salesman with a reputation for dodgy deals, has been shot and dumped. The other, a homeless woman, has been raped and murdered. The team splits up. Simone and Sipowicz enlist the help of Sylvia Costas, who comes up with a plan. Medavoy hits the jackpot, with his interview technique.
During a routine investigation into a domestic shooting incident, the detectives discover that a child has been missing for 2 months. Sipowicz - back at work after his op - and Russell have to tread carefully to discover the truth. Simone is called away to help another squad who are searching for a missing tenant from Simone's owned apartment block.
While Sipowicz remains in hospital for his Prostate op, detective Martinez returns to work, after the birth of his child. The squad investigate the discovery of a body in a burnt out van. The 5 'friends' of the victim tell the same story, but the detectives suspect a cover-up. Medavoy shows Martinez his own childs birth video.
Sipowicz goes to hospital and fears he won't come out. Officer Richardson's wife pours her heart out to Simone and Russell. The squad investigate a bizarre death, involving a dead man in a tub, another with severe electric shock and a teenage girl, who won't say what happened.
Two girls have been raped, then shot and left for dead, but one survives and points Simone and Sipowicz towards her attackers. The rest of the squad go to a Medical Centre where a security guard has been killed. His colleague's story differs from that of an independant witness and raises suspicions. Sipowicz finally admits his fears to Simone.
Simone and Sipowicz continue the search for Darlene's killer and suspicion falls on a cop. Medavoy gets a call from Abby. Russell returns to work and she and Kirkendall hunt two black youths who shoot a student and steal his video camera. Sylvia returns to her job as ADA.
Simone and Sipowicz investigate the death of a woman who is found stabbed in her apartment. They get a quick confession but everything is not as it seems. Medavoy and Kirkendall hunt the killer of a cycle messenger who gets shot while apparently trying to catch a thief. Sipowicz gets a visit from his physician, but is not pleased about it.
A woman witnesses 2 black boys throwing a white boy from a roof. Simone and Sipowicz suspect that there's a drug connection. Lt. Fancy is angered by racist comments in the squad room. Meanwhile, Kirkendall and Medavoy are called to a home where a 12 year-old boy found his mother dead and chopped into pieces.
A series of armed robberies at ATM Cashpoints leads Simone and Russell to a suspect. His mother knows where he is but refuses to help. Medavoy gets confused when a man blames his identical twin brother for a sex assault.
A woman is found beaten to death and left in a wooden crate. Simone and Sipowicz trace her family. Medavoy and Kirkendall hunt for the shooter of a Car Services worker. Russell is called to the hospital, where a 6-year old boy has died. His parents claim it was an accident.
A drug-dealer's wife is found shot and their safe emptied. Simone and Sipowicz take the case. Russell and Kirkendall put themselves in the firing line. Meanwhile, Medavoy and Martinez get a call to investigate the body of a dead prostitute, found dumped in the garbage.
An old school friend of Sipowicz asks for help to talk to his daughter about her relationships. Martinez and Medavoy investigate a bizarre theft of gold teeth.
A murdered boy's father insists that a homeless man is guilty. The mother takes Russell into her confidence. Simone and Sipowicz hunt the killer.
The child of a rich family goes missing. The father suspects Israel, a local vagrant, of kidnapping him. Sipowicz has other ideas. In another case, a jewish girl is found raped and murdered on a bridge. Later, a young woman is caught using the murdered girl's credit card. Medavoy, Martinez and Russell piece together the information.
2 working girls are raped and strangled in their shared apartment. Simone and Sipowicz hunt the killers. Medavoy and Martinez get information that a contract killing is being arranged. Russell and Kirkendall search for a necklace which was given away by mistake.
A family of three is attacked in their home and only the father survives. Simone and Sipowicz investigate. An old friend of Fancy's confesses to his part in a 15 year old crime. The rest of the squad investigate a serious assault at a musical agency, which leaves a manager near death.
Simone and Kirkendall investigate the shooting of a Korean shopkeeper. His son causes problems when he offers a reward. Russell and Sipowicz talk to a little girl, who has been beaten and raped. Her mother is convinced that the assailant is a local mentally disabled boy.
Simone and Sipowicz investigate a body, which has been thrown from a roof. The only witness is worried about 'aliens'. Medavoy and Martinez get involved in a string of cab hold-ups.
Medavoy gets a call from Abby, saying her girlfriend has been killed. He, Martinez and Kirkendall hunt the killer. Simone, Sipowicz and Russell are called to a burnt out car which has a body inside.
3 men hold up a bar and a customer gets shot, but there's confusion over who shot him. Russell and Martinez investigate the latest in a series of rape attacks in the same hotel. Simone works his first shift.
Simone is still under suspension and gets a visit from the FBI. Kirkendall goes 'undercover' on his behalf. The squad hunt for a pimp who goes on the rampage, apparently killing indiscriminately.
