Ver en Cuevana. Christophe, an arrogant Parisian, finds himself stuck on a lost road in the depths of the Vosges. Seeking to join his girlfriend for a weekend in the woods, he is hitchhiked by Jean, jovial and sympathetic Alsatian. Quickly, the car journey becomes mystical and disturbing when the Alsatian warns the young man about the terrible threat that haunts the forest...