A vigilante is brutally massacring drug dealers and their customers across the city. The police have no leads. The Witness is a psychologist and former police officer, unable to handle the day-to-day tragedy. Feeling like a failure and battling depression he is now an alcoholic and drug addict. Separated from his wife for years who cares for the child he has never met. In a dingy basement, the Witness is in a drug-induced haze. The Vigilante enters and begins indiscriminately killing. Assumed dead, the Witness becomes the first person who can identify the Vigilante. Called to the crime scene is his former boss and closest friend who sees an opportunity to both end the violence and help a friend.