Law & Order - Season 15 (2004)

Two student suicides are connected to a university drug study. The investigation uncovers that the pharmaceutical company that commissioned the study may have known about adverse side-effects, but tried to cover it up.

Black market gun dealers murder two undercover officers during a gun buy. During prosecution, McCoy begins to suspect that a bitter defense attorney may have masterminded the entire episode.

A novelist dies after undergoing multiple plastic surgeries. Detectives believe that her doctor took unnecessary risks and falsified documents to cover it up. The DA's office charges him with criminally negligent homicide.

McCoy takes on gay marriage at the state Supreme Court when a man refuses to testify in a case involving the death of the governor of Connecticut's wife, because he says that he is married to the defendant.

A mob boss is accused of ordering a hit on a urban vigilante group leader who was seeing his mistress. However, when the mistress is killed before the trial, he insists that he truly loved her and had absolutely nothing to do with it.

A diamond broker's wife is accused of hiring Russian mobsters to arrange a hit on her husband.

An Afghani drug lord is implicated in a drug-related massacre in New York. However, prosecution is difficult because the government considers him an ally in the War on Terror in Afghanistan.

A frustrated prison social worker is accused of taking the law into her own hands with a dangerous man whom she knew was violating the terms of his parole agreement.

A contractor is suspected in the murder of an investment banker after detectives discover that the home's security system has been tampered with, and he was having an affair with the man's wife.

A young hip-hop performer is accused of murdering a rap mogul, but his friend testifies during the trial that he is the killer. Serena objects to prosecution tactics, and Branch fires her.

Sixteen people die from influenza after they received counterfeit flu vaccine shots. New A.D.A. Alexandra Borgia helps Jack McCoy prosecute the responsible party for manslaughter.

The investigation into the death of a conservative talk show host leads to a stalker who claims to be having an affair with his wife. McCoy suspects that the wife manipulated her into killing him.

A hot-tempered basketball star is accused of killing one of his hecklers. The investigation and trial, however, reveal that the heckler's pattern of harassment may have crossed the line of decency on several occasions.

McCoy faces the unpopular decision to pursue charges against a vigilante who used his car to track down a man who murdered a group of hunters.

The host of a popular cooking show is on trial for killing a television executive. However, the trial takes an unexpected turn when a juror enamored with the client is accused of trying to profit from the trial.

A murder/attempted suicide investigation leads to a religious cult that promotes pedophilia, but finding charges that will stick to the group's leader proves to be difficult.

A lawyer from a prestigious corporate law firm is murdered. One of the firm's senior partners is reluctant to testify against the accused for selfish reasons. Detective Green is critically wounded escorting a reluctant witness.

Fontana and his new temporary partner, Nick Falco, investigate the murder of a porn star. After the woman charged with her murder is also killed, they uncover a connection to both victims and a politically ambitious ex-police commissioner.

A jockey's murder leads detectives to a businessman who is accused of stealing from his company's pension fund to purchase personal luxury items.

A man confesses to a nine-year-old racially motivated murder. His defense attorney argues that he should not be punished because he is a born-again Christian and has already done his penance.

A failed suicide attempts leads to a train crash that kills 12 people. The defendant's attorney initially offers an insanity defense. However, he is soon fired, as the defendant represents himself and changes his plea.