The shooting of two black men by a white woman in a crowded subway initially appears to be a case of self-defense, but further investigation reveals revenge as a possible motive.

The death of a man with AIDS appears to be the work of a serial killer who may have been motivated by mercy.

Stone has difficulty prosecuting a privileged preppie with a history of abusing his girlfriends after one of them dies at his hands.

Greevey and Logan have a hunch that robbery is a cover for the real motive in the death of a millionaire in a parking garage.

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

When Logan and Greevey investigate how a family man came to be found unconscious in Central Park, they uncover a very high-class call girl operation run by a well-educated socialite.

The shooting of a black honors student stirs up racial tensions, especially after it becomes apparent that the cop responsible for the death may have planted a gun on the body to excuse the shooting.

During the investigation into the death of a little girl in a respectable, middle-class family, Greevey and Logan uncover a myriad of family secrets involving abuse, molestation, and murder.

A city arts commissioner and a socialite come under investigation when an artist noted for his sadomasochistic themes is found dead under suspicious circumstances.