Claude, 30, film producer, falls in love with 20-year-old Grendy, to whom he gave the lead role in his latest film. One day, he surprises Grendy in the arms of another man. He shoots the lover and, after burning his car, runs away at random. He takes refuge on a barge where Chantal and Carla live. He takes them hostages. But little by little, Claude feels a certain attraction for Chantal. For her part, the young woman does not remain insensitive to the charm of her attacker and, despite the situation, gets caught up in the game ...