Manon (Catherine Deneuve) is an amoral, free spirit who uses sex to surround herself in relatively luxurious surroundings. Journalist Francois (Sami Frey) sees her at the airport and falls in love with her. Once they land in Paris, he makes his move and steals her from the man she's been traveling with. Francois and Manon fall in love but Manon's brother (Jean-Claude Brialy), wants to live off his sister and causes trouble. Manon tries seeing a wealthy man (Robert Webber) at the same time as Francois.