 Charles Rouvier, a lawyer, is in jail for trying to save one of his clients, Hedwige. He decides to be revenged on women and his inmates teach him how to seduce and exploit them.As soon as he is released from prison he places a personal ad in a newspaper. This is how the newly self-appointed "cynical Don Juan" will meet three creatures: Florence, Gisèle and Henriette. Who will eat who?