Further to an accident, Serge falls into a coma. A research team is going to try to stimulate his memory to return him to consciousness.

Lina, a film director, learns from her friend Judith that Bastien, the highly professional sound editor she works with, is a serial seducer. Lina doesn't pay much attention to it, especially as she can't see any signs of him corroborating this reputation, but those around her keep asking her questions...