Louis' old car breaks down a few miles short of his father's house. The young citydweller feels uneasy in the rough countryside south of the Vercors Massif. He hitches a ride with a tourist, only to be stuck behind a bus on the twisty rural road. When a landslide traps both vehicles, everyone decides to try and walk to the nearest village on foot... until two armed brothers in a huge pickup pull up, offering the little group lunch and rest at their place, an isolated old house in the mountains...