In a monastery cult off from the world, the monks run a clinic for the possessed. One day, a young policeman Marek comes to the convent. Posing as a clergyman, he penetrates monastic life and tries to explain the recent, mysterious disappearance of several tormented inmates. It turns out, however, that there is no way out of the monastery .
At the start, a man is almost killed by a woman with a knife. He kills her, but killing someone in this house isn't easy. There's magic at work here that makes people become zombies. We follow a guy who is a weightlifter and bodybuilder who goes on an expedition to this house with some invesigators. They are soon zombified and the muscle builder must use his abilities to try to save a young woman, even as the zombies will reanimate even if cut into pieces. Will he survive?