Camille Prader, back from a physicians' meeting, is waiting for his suitcase on the Airport conveyor belt. Clémentine, his girlfriend of the day, has come to fetch him. With a radiant smile, she tells Fabrice that she left everything to live with him. When Camille picks a case he realizes ha has taken the wrong one. The label shows it belongs to a musician called Juliette Graveur. Hegrasps the occasion to run away from Clémentine by claiming Juliette is his mistress....