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...
Greg is a police lieutenant; he must collect informations on eco-activists, infiltrating them for months. Myriam, a young free woman, is fighting to save a forest from the building of a dam. They meet and fall in love on the Zone. A beautiful life, a joy that Greg discovers, despite the risks of being unmasked. For each of them, time is short: soon everything will disappear.