Film by Tigon, Hammer's great rival, with a cast of mythical horror faces, where a dark mansion and mysterious creatures serve the director to delve fully into the genre.

When his brother disappears, Robert Manning pays a visit to the remote country house where he was last heard from. Although his host is welcoming, and his niece more than welcoming, Manning detects a sense of menace in the air: the legend of Lavinia Morley, Black Witch of Greymarsh, covers it all.