"Prince of the City" is a 1981 crime drama film directed by Sidney Lumet. The story follows Daniel Ciello, an undercover police officer in New York City, who becomes disillusioned with the corruption within the police force. As he grapples with his moral dilemmas, he faces the consequences of his actions and the impact on his personal life. The film is based on the true story of Robert Leuci, a former NYPD officer. It explores themes of loyalty, betrayal, and the complexities of law enforcement. The film received critical acclaim for its realistic portrayal of police work and the ethical challenges faced by officers.