I, a Lover (1966)

Beatrice is abandoning her husband Petar because he is impotent. She travels to Paris with Isac, her lover. Peter's friend Ole takes him to his country house where Peter's erotic interest awakens when meeting Ole's wife Sigrid and their daughter Lolly. He seduces both with great success and his impotence is no longer any issue.But Sigrid becomes jealous and writes to Beatrice in Paris and tells of Peter's exploits.