As he begins his new job as squad commander, Sipowicz disobeys orders and keeps a murder investigation open... even though a Japanese man with diplomatic immunity has confessed to the crime.

Bale offers to recommend Sipowicz for the squad commander position; Ortiz and Murphy investigate the death of an Arab woman; and detectives search for the man who shot Bale.

After a shooting at a bar, Simone and Sipowicz are sent to the hospital and find that they know one of the victims. The whole squad is involved in the hunt for the killers.

A squad member is shot while storming an apartment; Clark and Jones investigate the bludgeoning death of a woman whose wealthy husband was going to finance a friend's salon business.

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.

Sipowicz stays away from the squad and tries to come to terms with his loss. Evidence comes to light implicating Cullinan in more misdeeds and Sorenson turns to Sipowicz for advice. John Irvine is released from hospital, but is reluctant to return to the Precinct.

The detectives investigate the smothering death of an elderly man married to a voluptuous woman in her 20s; and a state judge pressures Medavoy and Jones to find out who poisoned her mother.

The detectives continue their search for a serial killer who targets alcoholics trying to get sober; and Clark and Jones investigate a homicide linked to a woman with whom Clark had a one-night stand.

The detectives hunt for a man suspected of killing minorities to avenge injuries his brother suffered during the first Gulf War; Sipowicz and McDowell plan to marry.

A basketball game, held in the memory of a young boy, erupts into violence. 2 dead, 7 wounded. Andy has a race relation's problem with the organizer of the event that was witnessed by a reporter. Fancy and Sipowicz's relationship is on shaky ground as details of this event come to light and Andy is removed from the case.

A meek and mousy young woman is found beaten to death on the floor of her apartment. Her brother- in-law is very upset but not about her death--he was paying her money to use her apartment for an extramarital affair.

While investigating a random stabbing, Sipowicz becomes obsessed with his own mortality after he's nearly gunned down by a murder suspect; Medavoy takes a job as a bouncer.

Jones becomes a murder suspect after Michael's father is shot to death; and Ortiz and Murphy investigate a molestation case that might involve a priest; Medavoy gets his hearing in trial court.

A bruised and battered wife tells Sipowicz that her husband claimed to have killed somebody 8 years previously. Sipowicz follows a trail, leading back to 2 previous relationships. Russell is told that her father has been shot and killed. Her brother claims to have done it, but Simone thinks he's not telling the whole truth.

Sipowicz and Clark investigate the stabbing death of a coffee-shop owner who was attracted to young girls; Ortiz tries to keep her cousin out of trouble; and Medavoy and Jones link a murder to a paralyzed police officer and his family.

Confusion reigns as an off-duty cop shoots an undercover cop after taking a bullet in the shoulder. When the first shooter confesses to Sorenson, it triggers Sipowicz and Lt. Fancy to renew their own private little war. Russell and Kirkendall, meanwhile, are busy investigating another crime involving a member of the precinct staff. ADA Costas is still worrying over the death, in Ryker's Island, of a man she helped put inside.

Simone's recovery is hampered by a chest infection. The doctors differ in their opinions of which treatment to use. Sipowicz's ex-wife turns up at the station, drunk and asking for his help.

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.

The detectives investigate the death of a phone-sex operator and the kidnapping of a wealthy man's son; and Clark's tryst with a murder suspect is used to derail the prosecutor's case.

A dead man is found, dumped in an alley. His name has possible mob connections. Donna gives Russell information about a possible hi-jack. A surveillance op goes wrong, when Simone and Sipowicz assist the FBI.

As Simone's condition worsens, Lt. Fancy makes a request to the Uniformed Officers to be aware of the need for a usable heart. Simone's colleagues have to occupy their minds with the case of an old lady found hacked to pieces in her apartment. Of her two sons, one doesn't seem to care about it and the other is too full of drugs to understand what has happened. Sipowicz's mood gets him into a fight.

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.

After a young girl is strangled and thrown from a roof, Simone and Sipowicz find a similar case in another district. The investigating officer comes to the 15th, to share information and immediately gets in Andy's bad books. Russell and Martinez disagree over the claims of rape made by a woman, against a married schoolteacher. Sipowicz and Andy Junior go 'on the street'.

Sipowicz and Kelly investigate the stabbing death of a priest whose body was found in a park frequented by male prostitutes.

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.

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 man who cared for his brain-damaged brother is found dead; Medavoy falls for a wealthy woman while investigating an apartment rental scam; Bale tries to nail a man who offered the detectives a bribe.

A face from Clark's past makes an unwelcome return, while the key suspect in Andy's 18-year-old murder case turns up, face down. Jones helps Michael prepare to take the stand against his own father for killing his mom, and a man fears that his wife is going to lose her head after he loses her pricey necklace.

When a Jewish jewelry-store owner is murdered, the detectives focus their investigation on two suspects: a Caucasian man who converted to Islam, and a rap star whose expensive jewelry turned out to be fake.

Sipowicz is taken hostage in an interrogation room by a suspect in the murder of a pot dealer and two of her friends; a suburban mom found with drugs in her purse appears to be covering for her son.

When a convicted rapist is found shot to death, his victims become suspects in the murder investigation; and Sipowicz searches for answers when a stranger targets Theo as he walks home from school.

When another woman is murdered by the serial killer, the detectives arrest a suspect... and discover the killer's identity; and expecting a baby, Sipowicz and McDowell decide to get married.

Simone's condition starts to worsen, requiring more tests. Sipowicz, Medavoy and Martinez investigate the death of a man found in the park, with his pants down. Sipowicz gets tetchy, over the lack of information from the hospital.

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 detectives investigate the murder of a gay financier whose death might be tied to a marine; Medavoy and Jones search for answers when a strangler attacks a Russian mail order bride; Haywood feels threatened when a murderer's conviction is overturned.

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.

Medavoy and Martinez investigate the murder of a voodoo priest. Russell gets assigned to help a drug enforcement team, working in the Precinct. Simone spots an old acquaintance, Hollie, who used to give him good information.

As Sipowicz settles into his role as sergeant, the 15th finds his absence unsettling, especially after Clark is teamed with a hair-triggered military officer on the murder of an Army man. Meanwhile, Jones and Medavoy's search for a missing homeless man leads one of them to a bold move.

The detectives work to solve two murders: the shooting of a rising rap star and the shooting of stripper found nailed to a table. McDowell and Sipowicz try to define their relationship.

The hunt for AJ's killers continues.

A boy on a bicycle is murdered. Connie's sister posts bail for her husband.

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.

Andy and John approach Mrs Clifton for help with her daughter's murder. Jennifer turns up out of the blue, apparently off her meds. A man is shot, apparently over a church and a video tape.

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.

A girl's body is found, burned, in an abandoned basement. Information from the husband of the girl's best friend points to a Russian, who had tried to date her, but had been refused. Simone puts together a scenario, involving the husband and 2 of his associates. Medavoy gets some overtime, on bodyguard duty and gets lucky in the card school.

Russell gets a lawyer for her mother. Simone and Sipowicz investigate the shooting of a known mobster's son. Suspicion falls on his younger brother, but the father interferes with the search. Medavoy and Russell get a call to where a woman has been shot, while in bed. Her son tells Russell that he got a message, from his step-father, confessing to the shooting. His rich step-father's lawyer makes difficulties.

A little girl disappears at the park, after her father leaves her - or so he thinks - in the care of a friend's nanny for a moment. Connie's brother-in-law is arrested.

Kelly's future with the force is decided as he investigates the death of an 18-month old baby shot in a drive-by while riding in a car driven by Duane Rollins. Though everyone believes the act was random, Kelly believes that Rollins was the intended target. Meanwhile, Sipowicz finds the body of a cop, and must continue dealing with both his commitments to Alcoholics Anonymous and his feelings for Sylvia Costas.

After being shot outside a bar, Sipowicz discovers the identity of the person who's been harassing him.

Andy's off-duty and slightly underhanded work to prove that Hatcher killed his own wife lands him a transfer out of the 15th precinct and into the Bellevue Morgue engineered by Detective Hatcher. Meanwhile, the squad is up to their whips and chains after a dominatrix is found murdered.

Sipowicz, Clark, Medavoy and Jones investigate a double homicide at a Latino restaurant. McDowell and Ortiz contend with a possibly mentally unstable woman who's posing as a cop.

Sipowicz and Clark are assigned to work with John Clark, Sr. on a murder investigation. Two good samaritans run afoul of the law when the burglar they caught dies from a head wound.

A man's gunshot-induced amnesia causes Jones and Medavoy to concoct an unconventional way to nail his assailant. Meanwhile, a man Sipowicz put away twenty years ago for raping and murdering a 12-year-old girl goes free after DNA testing exonerates him, and Ortiz and Ronson bust a gruesome underground network pre-teen prostitution ring.

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.

A call-girl's death is linked to other murders involving women who'd gone through rehab; Ortiz and Murphy investigate the death of an artist who'd been carrying on an affair with a wealthy man married to two other women.

The murder of a man who frequented a betting parlor leads Sipowicz to an old friend; Jones searches for the man who attacked Haywood; the detectives research the Colahans' background.

Simone and Sipowicz investigate the murder of an Indian woman, found strangled in her locked car. Medavoy and Martinez arrest a man acting strangely and find he's involved in a credit card scam. Lesniak and Russell team up to trap a gun dealer. Simone gets over-protective and makes Russell angry.

Sipowicz and Clark investigate when Julian Pisano is wounded in a shooting incident; McDowell and Ortiz assist a woman who doggedly pursues justice when she's conned out of $100; Clark grows concerned when his father stops returning his phone calls.

A baby and a small child are shot and killed in a robbery. Sipowicz's bad mood hinders the investigation and causes a rift with Simone.

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.

A gunman tries to kill a witness after a mistrial is declared in the Simon Kerensky arson case; and Jones goes to extremes to stop Craig from adopting Michael.

Sipowicz searches for the truth when Hatcher is shot by a man who mistook him for a burglar; and a former pharmacist dies in a flophouse when someone fires a bullet into his room.

Simone and Sipowicz follow hot on the trail of the "Webster Dictionary" serial killer, though bureau politics take their toll on the case. Meanwhile, Sipowicz uses Vinnie Greco as an informant in order to try to stop a bank heist; and Lt. Fancy enlists Greco's help in order to get even with Commander Haverill.

Mike Shannon brings in a young boy who makes a confession to Sorenson. Sipowicz worries about his up-coming court appearance facing Sinclair. ADA Costas takes care of him. Dolores father attends the court hearing.

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.

When a man's body is found shot and dumped in an alley, Medavoy and Martinez have to calm the victim's angry brothers. Russell and Kirkendall get a confession to rape and murder while searching for a missing schoolgirl. The squad's PAA is missing and her friend believes he knows why.

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.

A man armed with a bomb walks into the station house and handcuffs himself to McDowell; unless the detectives release a Russian mobster from jail in one hour, the bomb will detonate.

Connie struggles to settle with the baby. A woman is found dead in a vacant lot. Another is found dead in the laundry room of her building. The Lieutenant dresses up for a lunch.

A young thief tells Medavoy and Martinez about a body in an apartment. Simone goes after Jimmy Leiry.

Simone's old pal Ray turns informant, from jail, in order to get a reduced sentence, but things don't go to plan. A father takes deadly revenge to protect his bullied son. Medavoy has to placate 2 actors who come to blows on stage.

A shoot-out leaves 2 dead and a third injured when a drunk, off-duty cop witnesses an attempted mugging. The cop can't seem to get his story straight and angers ex-drunk Sipowicz. The cop's boss wants him to take the blame, but Sipowicz wants the truth. Russell has to take Simone to hospital when he becomes ill, during the investigation.

Maya's partner in anti-crime is killed. A little girl is snatched off the street. Connie becomes foster-mother to her niece.

Sipowicz and Clark search for an African-American driver who fled the scene of a hit-and-run accident after unwittingly running over an Italian mobster's young daughter.

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.

A young girl is found stabbed, in Chinatown. Suspicion falls on the ex-boyfriend. Simone & Sipowicz Investigate. Martinez & Lezniak have to investigate a robbery, together, despite the bad feeling between them. Medavoy moves into the bunk-room.

Licalsi tries to plea bargain his case and only get six years in prison for the murder, but Kelly is greatly opposed to the bargain after realizing he's in love with Janice. After learning that Kelly still has feelings for Janice, Robin ends their relationship. Meanwhile, Sipowicz and Kelly go on a stakeout of an apartment complex that have been the target of several robberies.

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 bomb threat is received at the courthouse. John Clark is placed on restricted duties pending charges for murder of the prostitute. John Irvin buys a new car only to be carjacked on the first drive.

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 young woman tries to convince Jill and Diane that her twin sister has become a victim of foul play. Andy and Danny investigate an immigrant's missing, wealthy and unpopular wife.

A 9 year-old girl is found dead inside a locked basement, the supervisor is the only key-holder, but he has an alibi. Sipowicz and Sorenson have to solve the whodunit. Medavoy and Martinez help an old man to trace the person who swindled him out of 8000 dollars. Sorenson's sister comes to visit him. Dolores father turns up at the squad room.

Ignoring Kelly's advice, Licalsi reveals that she's being blackmailed by the mob. Kelly and Sipowicz investigate the brutal robbery-murder of a wealthy family and work with a pawn dealer in hopes of retrieving a stolen Oscar statuette.

James passes his sergeant's exam. Jill's ex-husband could be causing problems for Jill.

An ill infant becomes the missing link in a serial rapist case Simone and Sipowicz are investigating. Simone suspects Russell of trying to cover up a serious problem; Medavoy considers getting back together with his wife with whom he is separated; and Irvin asks Simone for help when police officers assault him and his lover.

The squad investigates two homicides: the immolation of a would-be musician and the stabbing of a socialite. The newest detective to the squad, John Clark, Jr., attempts to both learn a new job and fit into the squad despite interference from his father.

Kelly investigates the death of an undercover cop in Chinatown, and to do so he must accept help from a prominent Chinese gang leader. Meanwhile, Sipowicz finds out that a former abuse case he had worked on has escalated into homicide; and Medavoy and Donna's relationship is revealed after Lt. Fancy catches them in the act, leading to Fancy warning the precinct against interoffice relationships.

After discovering the hotel where Giardella is being held, Sipowicz gets his revenge with the help of a pet bulldog and the hotel's thankful chef.

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.

Medavoy gets a new partner. A cop is shot and killed. Diane seeks counsel from Andy about whether to tell Jill what she knows about her ex.

Officer Dornan disrupts an AA meeting, leaving Sipowicz no option but to involve Lt. Fancy. Dolores' father threatens to take action against Malcolm Cullinan and gets PAA Irvine into trouble. Sipowicz and Sorenson search for the pusher who supplied Mike Roberts. ADA Cohen continues to express his jealousy, over Kirkendall.

While Martinez investigates a series of robberies involving a fake ATM machine, Kelly's current case yields evidence that links Licalsi to the mob. Meanwhile, Lt. Fancy tries to extend his custody of a young boy whose mother is in a drug rehabilitation program.

Detectives searching a landfill for the body of a dead girl find the body of a millionaire instead. While Kelly interviews the wife of the deceased, Sipowicz does some investigating of his own after Andy Jr. is arrested for selling cocaine.

Kelly is forced to arrest a close friend after a fight on the basketball court leaves another friend dead.

Kirkendall's son witnesses a stabbing in a convenience store. Sorenson and Russell join forces to try and protect him from getting caught up in the 'system'. Medavoy and Martinez have to get their hands dirty to solve the killing of a vagrant with lots of enemies. Sgt. Dorning helps ADA Costas and Sipowicz with the Suarez case.

Lieutenant Fancy and Detective Kelly are warned to stop pressuring the mob even as Andy Sipowicz lies in the hospital with numerous gunshot wounds. Back at Kelly's ex-wife's apartment building, an angry young man starts carrying a gun for protection.

Simone becomes attracted to an undercover cop, Diane Russell, as they work together to capture an arsonist. Sipowicz becomes personally involved in a case after a woman he convinced to testify in a case is murdered. Martinez and Lt. Fancy square off at the annual department boxing tournament.

The detectives investigate two crimes: the murder of a back-alley cosmetic surgeon and a violent rape; Clark finally takes Laughlin on in the boxing ring.

Help comes from an unexpected place as Sipowicz and Simone investigate the murder of a bookie. Joyce Novak, a witness to a murder, charges Simone with sexual harassment. Meanwhile, Sylvia and Sipowicz head to religious counseling to prepare for their upcoming nuptials.

Sipowicz is furious when he suspects a private investigator is giving false hope to a man whose daughter has been missing for 2 and a half years.

Sipowicz has to diffuse an explosive situation when a disabled Vietnam vet who was mugged decides to take matters into his own hands.

Diane once again finds herself embroiled with Harry Denby who has information about Jill's ex-husband. Greg and Jones discover a home repair scam.

When Martinez's brother dies from a drug overdose, their father sets out to kill the drug dealer responsible.

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 dead woman, found in an alley appears to be another in a series of brutal rapes. Simone and Sipowicz investigate. The rest of the squad tries to find out why shots fired from a bus injured a woman and a child.

When a material witness to a drug hit turns up dead, Sipowicz and Kelly's investigation leads them to two brothers who have also planned a hit on Kelly's ex-wife, Laura. Sipowicz must perform uniform-detail in a dress uniform way too small.

When a woman who was raped refuses to press charges for fear her husband will say she brought it upon herself, Licalsi acts as a decoy in an attempt to trap the prime suspect.

The detectives search for clues when a group of perpetrators torture a man for no apparent reason; a woman reports her husband as missing, but Sipowicz and Clark suspect she's not being completely forthcoming; and Fraker testifies in court.

Donna's joy over Medavoy leaving his wife is short-lived when he has a change of heart.

Simone and Sipowicz investigate the murder of a gay bar proprietor and have transsexual Candace La Rue as a material witness. Dan Breen decides to visit his mentally disturbed son, Danny, despite Sipowicz warning him not to do so. Elsewhere, Medavoy investigates a fortune telling scam after a woman is conned out of her life savings; and Lt. Fancy's wife goes into labor.

When Kelly and Sipowicz respond to a suicide call they find the body of a police informant who had come to the precinct earlier that day shouting that she was sleeping with her police contact. Licalsi suspects that her partner is taking drugs.

A man, found hanging, places suspicion on a precinct PAA. 2 rival groups of manual workers confront each other and one of them is killed.

Andy is finding Theo a challenge. A man is found dead in a hotel bath-tub, minus a part of his anatomy and some personal effects. A mother brings her son into the house because she thinks he's been stealing.

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.

Detective John Kelly has his hands full. On the work front, his partner's drinking problem and continual harassment of gangster Alfonse Giardella is about to get them both in over their heads with the mob. On the personal front, his wife wants a divorce.

A close friend of Sorenson's takes the law into his own hands when he confronts a groper on his bus route and puts his life in danger. A female tenant points the finger at a male tenant, when another female tenant is found strangled and beaten to death. Sorenson becomes her confidant in order to get to the truth.

The detectives investigate the strangulation death of a former porn star; a thirteen-year-old boy holds the key in implicating his father in his mother's murder; and the jury reaches a verdict in the Captain Fraker trial.

McDowell and Ortiz investigate the death of a woman found in her apartment, where an ex-con neighbor is suspect. The investigation into Scott's murder points towards his friend. Andy thinks about the future. Rita meets John's father.

The detectives accept the help of a pair of British policeman catch a rapist-murdered who has emigrated from England to NY. Meanwhile, Jones becomes close with a reporter he met during a previous case.

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

The squad investigates the theft of a baby from a hospital, and the arson of an Arab-owned business.

Sipowicz and Simone are assigned to the case of a pregnant woman who was murdered and the only charred remnants remain, which means there are few clues for the detectives to go by. Meanwhile, Sipowicz grows increasingly concerned when a close friend, Dan Breen, is badly beaten by his mentally handicapped son, Danny.

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.

Andy goes into a tailspin when a doctor's visit reveals that Theo may have cancer. Diane and Jill's relationship suffers when info about Jill's ex-husband surfaces. Andy and Danny ponder the impact on Jill's career.

The squad is joined by Eddie Gibson who's been transferred from nightwatch. McDowell and Gibson investigate the murder of a woman with MS, while the other detectives investigate the killing of a Rikers corrections officer.

The detectives investigate the bombing of an abortion clinic that killed a guard. The squad gets a new lead on an old murder case. Ortiz's husband, Don, is murdered by his mistress' husband.

Kelly quits moonlighting as a bodyguard after discovering his millionaire employer is a wife beater. Later Kelly speaks at a tenant meeting explaining the dangers of carrying a gun for protection. Unfortunately, his talk has little impact on the tenant in 4B.

Two diamond dealers claim they've been robbed of over 1 million dollars worth of diamonds - and the sister of one of them is involved. Gina is attacked at knifepoint and ends up in hospital.

Sipowicz has a nightmare about his father and Officer Dorning. A Police Officer shoots a drug dealer but can't prove that the dealer was armed. Sorenson and Sipowicz use all their resources to help him. Russell and Kirkendall try to settle a dispute between a convicted mobster and his Polish neighbour.

A woman is found, murdered, in her apartment. Neighbours fingers point at the junkie nephew. Simone and Sipowicz investigate. Medavoy and Martinez search for a biker, seen in a bar, where the bouncer is beaten to death. Sylvia nears the end of her pregnancy.

When NYPD Auxiliary Police Officer Heather Peterson is murdered, the detectives find a diary of her's that details the sexual habits of the police officers at the 15th precinct. These findings cause the detectives to suspect the officers of the 15th precinct had something to do with her death, and the investigation of the cops cause tension between the officers and the detectives.

IAB is closing in on Jill. Jill explains the leverage Don has over her. Andy stays by Theo's side as he undergoes tests to determine if he has cancer. Changes are made in the department as fallout over Jill's ex-husband.

The detectives investigate the separate murders of two supposedly upstanding citizens: an ex-convict turned community activist and a doctor who donated time to helping drug addicts and prostitutes.

The detectives search for a suspect who killed a businessman by blowing up his car; and Ortiz and Murphy investigate the beating death of a student.

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.

Simone and Sipowicz are put on the case of a teenager known for his graffiti work who was brutally murdered. Meanwhile, Donna continues to contemplate her relationship Medavoy; and Sylvia is mugged, which results in a deep secret being revealed to Sipowicz.

Fancy tries to rebuild his relationship with Abner; Andy and Danny investigate the murder of a club owner; Jones takes out his frustration on a man who is suspected of raping and beating a woman.

An ex-boxer, an old friend of Simone's, refuses to admit he's getting forgetful. The FBI take over a kidnap case, but Simone and Sipowicz find an informant and work the case on their own.

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.

A junk yard owner finds the body of a tortured woman in the boot of a car. Gina returns to work. A man, with massive head trauma, is found on a vacant lot, next to where he lives.

An 11-year old boy admits to killing an Hispanic student in the midst of a turf-war at his elementary school, but Simone has a suspicion that the boy is taking the fall for someone. When a ladies' man, Eddie Reyna, learns he's HIV positive, he becomes targeted by one of his former lovers that he infected with the disease. Meanwhile, Donna's sister, Dana, comes to town for a visit, which causes a rift between Donna and Medavoy.

Licalsi takes the stand during her trial. The Internal Affairs Bureau investigates Kelly and Sipowicz in regards to the arrest of Officer Guyce and Officer Quint. Meanwhile, Kelly, Sipowicz, Medavoy and Martinez investigate the murder of a black couple.

Martinez discovers the superintendent of his brother's apartment building is a cop who beats and robs tenants who fall behind on their rent.

The day's cases include an armored car robbery that left one guard dead, and the homicide of a woman whose body was found in a garbage truck; Sipowicz intervenes in the iab's case against Rodriguez.

While investigating the murders of four teenage girls, the 15th squad discovers the shocking truth about the disappearance of detective Danny Sorenson.

Simone and Sipowicz investigate a street shooting when witnesses name a man who is supposed to be in jail. Macey, a young man who was previously in the care of Lt. Fancy, is caught carrying drugs. Medavoy meets with more disappointment.

Jones uses his charm to help Andy and Danny solve the murder of an elderly couple; Medavoy gets involved with an old friend who is having trouble with the Chinese mafia.

The squad attends a homicide with seven naked bodies. Jill's ex is arrested.

Medavoy and Jones look for a woman reported missing by her "distraught" husband; Andy and Danny deal with a snotty, eccentric art owner whose collection has been stolen.

Lt. Fancy falls fowl of an over zealous patrolman. Sipowicz is reminded of his son's death when he and Simone investigate a series of bar hold-ups. Martinez, Medavoy and Russell have to deal with a confidence trickster.

Detective Soloman tries to use his status to steal a case from Detective Simone after Simone arrested a notorious serial killer, Putnam. Meanwhile, Commander Haverill tricks Lt. Fancy into lying about a case involving a crime lord; Lesniak goes after a flasher; Sipowicz once again proposes to Sylvia Costas; and Benita Alden, a reporter, flirts with Simone.

Sipowicz tries to get a confession and capitalizes on a mistaken identity. Lt. Fancy's brother is falsely accused of accepting bribes and Simone is able to uncover the truth behind the crime. Russell's apparent hangover almost results in a hazardous situation during a sweep. Later, the precinct throws a bachelor party for Sipowicz, who is noticeably dealing with pre-marriage jitters.

Kelly and Sipowicz investigate the death of a man's mistress, which they later find out is one of many lovers the man currently has. Meanwhile, Licalsi is promoted and Fancy breaks the news to her husband that she's pregnant.

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.

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.

Det. Morrissey enlists the help of Andy and Bobby on his missing child case. Cotelli and Martinez tout for votes in the election for officer's rep. Medavoy and Sipowicz start their diet plans.