The search for a sniper who is terrorizing New York City will lead the police investigators to an emotionally-abused teenager who was abducted as a child.

Investigating Detectives Lennie Briscoe and Ed Green will deal with a series of apparently unrelated murders, which all occur on the same day.

An investigation into the death of a famous comic's infant son leads to the discovery of a young boy's abuse at his hands with the complicity of the parents.

While investigating the death of a teenage girl, the detectives stumble on a pattern of crimes that indicate they are after a serial killer.

The investigation into the violent murder of a bounty hunter leads to a reporter with compromised ethics and a dubious defense strategy.

Detectives seek a biochemist with sinister motives after investigating the carjacking of a vehicle containing vials of a deadly virus.