Two women, Karen (theatre director) and Lena, visit an island, a Swedish resort, where Lena's ex-husband, Martin (choreographer), lives in comparative seclusion with a mentally disturbed ballet dancer named Carl. Carl is brother by guilt rather than blood, for Martin is somehow responsible for his breakdown.

Arthur, a university professor, and former political activist, lives in France with Francesca. They decide to hire a young man in order to help the teacher organize his notes. The employee leaves his girlfriend Ingrid and moves in with the couple.