Greevey and Logan discover that a hospital is covering up an accomplished doctor's mistake which resulted in a patient's death. They later find out that the doctor might have been drunk at the time.
A young woman is sexually assaulted and eventually dies from her injuries. However, the only suspect is a charming, handsome businessman with a fiancée from a powerful New York family.
A family man is shot to death inside a parking garage. Police soon discover the crime was not a random act of violence. Stone tries to get one of the suspects to testify against the other.
A police officer is accused of planting a gun on an unarmed African-American youth that he shot. The victim was beloved in his community, but the investigation reveals that he may have also been a drug dealer.
A young black girl claims to have been raped by white police officers. Police and prosecutors struggle to get the truth after an ambitious black congressman claims the investigation is a racially-motivated cover-up.
Stone temporarily dismisses rape charges against three defendants because the victim's testimony has too many holes. Greevey and Logan's subsequent reinvestigation uncovers a possible fourth assailant.
Stone makes a deal with a group of low-level mobsters when they offer to testify that a crime boss murdered a missing union leader. However, the prosecution's case unravels at trial, causing all parties involved to walk.
After crime boss Frank Masucci's murder case gets thrown out, Stone turns up the heat on the witnesses who played him in order to find charges against Masucci that will stick.
A twelve-year-boy is injured and his infant brother is killed by gunshots. The investigation reveals they were the accidental victims of a hit ordered by a drug dealer against a real estate broker.
Stone faces a Texas cowboy lawyer and a hostile community as he tries to prosecute a young man accused of murdering a drug dealer for raping the man's sister.
A businessman and his wife are killed. The couple's two sons emerge as the most likely suspects, but detectives later find business ties to the Russian mob.
Detectives and prosecutors face resistance from federal authorities as they pursue murder charges against an suspected IRA member serving time in federal prison, after he is suspected of killing another federal prisoner.
Greevey and Logan discover that an apparent mugging victim found unconscious on a park bench has had his kidney removed. The case leads to a powerful man whose daughter desperately needed a transplant and the doctor who may have helped him.
Captain Cragen ends up in the cross-hairs of an internal investigation into evidence tampering, and the DA's office is forced to put him in a precarious situation to implicate the conspirators.