Superstition and witchcraft torment the people in the 17th century. A rural witch hunter terrorizes a provincial town. A charming young girl (Olivera Vuco) and the young assistant to the Chief Inspector (Udo Kier) conspire to put an end to the foul deeds of this libertine. However, they fall into greater danger when the Inquisitor (Herbert Lom) arrives in the town to commence his dreaded trials.

He accuses the young girl of witchcraft and subjects her to terrifying cross-examination. The young assistant, who has so far been loyal to his master, is conscience-stricken. Should he really believe that his beloved is a witch? Under dramatic circumstances he learns the true nature of his master....