In a 15th century village, a woman is accused of witchcraft and put to death. Her beautiful older daughter knows the real reason for the execution lies in the lord's sexual desire for her mother.

Barbara Steele
as Helen Karnstein / Mary Karnstein

George Ardisson
as Baron Kurt Hummel

Halina Zalewska
as Elizabeth Hummel / Adele Karnstein

Umberto Raho
as Von Klage

Laura Nucci
as Grumalda

Giuliano Raffaelli
as Count Humboldt

Nello Pazzafini
as Monk

Jeffrey Darcey
as The Messenger

Aldo Barozzi
as Plague Victim (uncredited)

Mario Casella
as Gorca (uncredited)