Helen Jervis loved the moors so much that she jumped at the chance of nursing old Ethan Hesketh in Braunston Manor. But she found the old house a nerve racking place. Milly Rolph, the maid, refused point blank to sleep in the manor, and the girl was reluctant to say why. Helen was not a nervous person, and she became attracted to Doctor Keith Spencer. But strange events were taking place under cover of darkness, and it needed a terrifying climax to clear the situation.