In Scotland, a small boy has a disturbing and inexplicable vision: Two men are in a car. One of them is dead, killed. And a bad man is waitingfor the clock lady. In Chicago, university scientist Steven Farrell is found dead in his car, an apparent suicide. For his wife Madelon, a dealer in antique clocks, her happy life is over - and a nightmare begins. Someone is watching her, following her, searching her home and calling in the night. As she learns more about her husband's controversial research into psychic ability, Madelon's worst fears become more certain - a shadowy conspiracy exists and her life is in danger.