After a woman's body is found in a subway station, a suspect is arrested, but the resulting case concerns the lack of medication supplied him while in prison.

A former Black Panther, accused of murdering a Caucasian police officer, questions Green's integrity amidst a politically charged trial.

Under pressure from the department's top brass, a 20-year-old murder case, initally investigated by Briscoe's now retired boss, is reopened involving the slaying of a teen-age girl with the spoiled son of a politically connected family as the prime suspect.

When a couple is found dead in their apartment, Detectives Briscoe and Green follow the trail of drugs and money, which leads to Caryn Wyman, the wife of a U.S. Army Major responsible for the country's anti-drug efforts in Colombia. Despite the evidence linking Caryn to the drugs, she is fearful of cooperating with the police--until A.D.A. McCoy convinces her and her husband that she has no choice but to risk her life to catch the killer.