One Good Cop is a 1991 American crime drama film written and directed by Heywood Gould and starring Michael Keaton, Rene Russo, Anthony LaPaglia and Benjamin Bratt. Keaton portrays New York City Police Department Detective Artie Lewis, who, with his wife Rita (Russo), adopts his late partner's (LaPaglia) children and loves them as their own. He also targets one of the criminals responsible for his partner's death. He initially seeks justice for his adoptive children, but ultimately chooses retaliation by robbing his quarry to support his new family, endangering them and his career.