After a series of failed harvests, London-based vineyard owner Philippe de Montfaucon (David Niven) is called back to his ancestral estate in France. Despite orders not to, his wife (Deborah Kerr) follows him to the French chateau, where she finds the employees engaged in black-magic rituals--and learns the terrifying truth about her husband's family business. Sharon Tate, Donald Pleasence co-star in this eerie thriller. 96 min. Widescreen (Enhanced); Soundtrack: English DTS HD mono Master Audio; Subtitles: English (SDH).