 Two American students go to Italy after graduating from art school, one to work in restoration of paintings, the other because she s inherited her father s castle. When the restorer visits her friend at the castle, they invite the players of a traveling sideshow to dinner, and are slipped drugs, leading to an orgy of abandon. The woman who owns the castle keeps having visions of a young woman who has been stabbed in the castle. After talking to her nanny, she finds that the "vision" woman is her father s sister, who was murdered brutally as the consequence of a 15th Century curse put on her family, and that she is the next in line, and the troupe they have entertained is a part of the curse.