the story take place in France a Saturday night … a group of young guys decide to go out and dance in a night club located at the top of the forest Valley. On there way, they meet a hitchhiker by the name of Sebastian. A little further, it’s a car crash. The car dives off the cliff and lands in the forest below. The man is recognized, he happens to be a dangerous psychopath hunted by all the cops of France. As the struggle begins, a huge extra-terrestrial Creature attacks them. The four of them split into the mountains. Lost in the middle of nowhere, our three friends will have to fight against Sebastian, desperate to kill them, and the Ugly Creature, sensible to the slightest noise, ready to make a good meal out of the four fellows. The young protagonists friendship will be torn to pieces in this long night of descent into hell…