Paolo Piattelli owns a restaurant, he is married to Silvia and he is unfaithful to her. One day Paolo has a car accident with a motor-cyclist while driving with his lover. Silvia gets engaged to the motor-cyclist Alessio while Paolo is ill. He has to drive her car. But Alessio proves himself a fatal temptation both for Silvia and the waitress Cosetta.—Baldinotto da Pistoia