Philippe Clarence, a famous Parisian dressmaker, seduces his friend's fiancee. But, for the 1st time in his life, this is for real. The film is also a sharp picture of the fashion world. A philandering young dress designer plays fast and loose with the hearts of all the fair maidens he encounters, and leaves them in a Paris lurch. But when he meets the fiancée of his best friend, he falls deeply and truly in love with her. The girl is soon faced with two choices marry the reliable fiancée whom she doesn't love, or run off with the dress designer with whom she is infatuated. She sees that she also has a third option and makes the wise choice...she rejects both. The dress designer is not too well equipped for accepting rejection, and he makes a bad decision.