A phone call threatening a woman's young daughter leads to a case that causes Kincaid to resign from Schiff's office because of an affair in her past.

A Wall Street broker accused of murdering his mentor uses the defense of ""black rage"" in court.

Briscoe and Curtis have a hard time finding cooperative witnesses when investigating the murder of a college student at a rough biker bar.

The investigation into a prostitute's murder leads to a married plastic surgeon as the obvious suspect, but Kincaid has a hunch that an elaborate frame-up is in play.

McCoy finds that his career is on the line when his former female assistant and ex lover accuses him of forging evidence that helped put an innocent man in prison.

When a young attorney is murdered shortly after he decides to file a sexual harassment claim against his employer, Briscoe and Curtis quickly discover that the alleged harasser and his wife each have an excellent motive for murder.

The investigation into multiple homicides at a clothing store leads to the arrest of a schizophrenic who presents McCoy with a formidable opponent when he decides to represent himself.

McCoy's new second chair, ADA Jamie Ross, is determined to prosecute as harshly as possible a carjacker who took the life of a teacher as she pleaded for her life on an audio tape discovered at the crime scene.

Briscoe and Curtis have to break the mutual alibi of two girlfriends as they try to find the killer of a young black man, whose angry parents pressure McCoy to indict a young woman who claims the victim had raped her.

Bloody sheets and an apparently stolen credit card lead Briscoe and Curtis to a pair of college age lovers who present McCoy and Ross with a united front of denial that one of them killed their newborn son and disposed of the body.

It's old home week for Briscoe when an apparent murder of a teenage model in New York develops ties to Baltimore and Detectives Munch and Falsone pay a visit to the Big Apple to observe the case. Meanwhile, McCoy finds himself battling the attorney of the victim's parents for access to his clients and the Baltimore DA for jurisdiction.

This crossover continues on Homicide: Life on the Street S06E05 Baby, It's You (II).