When the coach of the France soccer team is killed by a poisoned dart in the stadium in the end of a game, and his expensive and huge ring with the diamond Pink Panther disappears, the ambitious Chief Insp. Dreyfus assigns the worst police inspector Jacques Clouseau to the case. His intention is to give a diversion to the press, while he uses his best men to chase the killer and thief. He assigns Gendarme Gilbert Ponton to work with Clouseau and inform each step of the investigation.