In 1970s Germany, Léopold, a 50-year-old businessman, picks up and seduces 20-year-old Franz, who swiftly moves into his apartment. The dynamic between them intensifies with the sudden arrival of their ex-girlfriends.
Jacques and Martine, an ordinary bourgeois couple, invite to dinner a friend whom they have not seen the last ten years. Since then he has become a media star and everything has to go just right at dinner.
Attracted by the music and lights of an illegal techno party on the outskirts of Paris, a little girl living on the premises gets lost in the crowd. To find her, Souleymane, her older brother, has to brave the indifference of the partygoers and the deafening noise of the techno.
Alice sneaks into her neighbor's apartment that almost caught fire. Wracked by anxiety, then loneliness, she returns more than once to his place and crosses certain boundaries.