The mugging of a councilman leads the detectives to arrest a mobster, who in turn leads Stone and Robinette to corrupt city officials.

Logan is forced to face his cultural biases when both a Lebanese gunrunner and an Irish terrorist are suspected of killing a drug dealer.

Cragen comes under suspicion when his mentor in the department is investigated for laundering drug money.

When Fontana and Falco investigate an arson which caused the death of a firefighter, they discover a murder weapon tied to a nine year old murder and a hate crime in which the defendent attempts to have his case dismissed because he became a born again Christian after committing the murder.

A young girl is abducted in broad daylight, and the only link to the girl is an ex-convict who wants a deal before he's willing to talk.

Internal affairs takes a special interest in Detective Green after a gambler is found dead by his bullet, and the investigation turns up a part of his past he's taken pains to conceal.

A prominent charity executive is murdered and claims of stalking and blackmail surface during the investigation.

The body of a young war veteran is found in a parking garage and the murder is connected to a law professor who used to work for the Department of Justice.

A crime scene investigator is murdered in her apartment. Her fiance is suspected, but then a journalist is attacked and DNA is found at the scene that links this crime to the murder.

A doctor who performs late-term abortions is murdered in church. The case falls apart for Cutter when Rubirosa is touched by an abortion nurse's testimony.