André Noblet, a 21-year-old French artist falls madly in love with Christiane, the mother of two children. He tells Chistine he will tell all to her husband and demand her freedom. Christiane learns that her husband has been carrying on a romance of his own and they have a meeting. By the time André shows up, they have reconciled. He next moves on to Minouche, a divorcée, and takes her to a ski resort, where he breaks his leg on the first day and this hampers his love making. They meet another couple, Evelyne and her aged escort, Gatson Lebridel, and the couples end up exchanging partners. Time passes and André has now cultivated an attachment with Denise Aubusson, a widow and patron of the arts and artists, and André soon replaces the musician in her life. Denise has in her employ, Alice, a reformed thief, who reveals to André that Denise is a whole lot more than slightly older than he is. André is now an unattached man and when he learns that 17-year-old Catherine Michauld, a neighbor's daughter whom he has always consider a child, has decided to elope. He goes after her, determined to save her from an unwise marriage, and ends up marrying her.