Professor James Lowry didn't believe in spirits, or witches, or demons. Not until one gentle spring evening when his hat disappeared along with four hours of his life. Now, the quiet university town of Atworthy is changing -- just slightly at first, then faster and more horribly each time he tries to remember. Lowry is pursued by a dark, secret evil whose whispered challenge is driving toward a nerve shattering, exciting climax. If you find your hat you'll find your four hours. If you find your four hours then you will die...