Sidney Lumet's lowest rated movie is actually a mature work by one of the greats, unfortunately it is a movie about ethics, and not flawless in dealing with such an noncommercial theme. It is about a main character that discovers the nature of the game he is playing, and the consequences of his professionalism. A hired gun realizes that the game is not a game, it is power. While not Lumet's masterpiece (see Network), it is still a worthy movie, brutally underrated.