A group of very dangerous rapists and animal torturers is being transported in a prison van to court. On the way, the vehicle is attacked by an unknown man, and all the maniacs end up free. They spend the night in a dugout in the forest. In a cramped hole, in pitch darkness, a cannibal, a woman who likes cutting off heads, and a sadist find themselves together, and later they are joined by a gamekeeper obsessed with the maniacal idea of burying people alive…