A 300-year-old witch terrorizes a college town to get revenge on the descendant of the man who persecuted her.
Mark of the Devil is a 1970 West German historical horror film directed by Michael Armstrong, and starring Olivera Vučo, Udo Kier, Reggie Nalder, Herbert Fux, and Herbert Lom. Its plot follows a witch hunter in 17th-century Austria who begins to question his pursuits after witnessing a rogue witch hunter dubiously accuse the townspeople of a small village, and employ increasingly sadistic methods of torture against them.