Susan and Tom McEvoy expect problems when they set about turning an Exmoor farm into a riding school. What they don't expect is the brooding sense of ancient horror that begins to pervade their lives, and their dreams.

From an accident to a horse, which has to be put down, to a child's broken leg, the path leads inexorably towards a whirlpool of ritual sacrifice and murder which revolves around Susan and her teenage daughter, Janey.

Gordon McGill, the author of three Omen novels, has written a gripping helter-skelter of a book, relentless and bloody in its evocation of an age-old evil.