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.

A story of Naoufel, a young man who is in love with Gabrielle. In another part of town, a severed hand escapes from a dissection lab, determined to find its body again.