Welcome to Babylon, a typical sleepy Alabama small town, where years earlier the Larkin family suffered a terrible tragedy. Now they are about to endure another: fourteen-year-old Margaret Larkin will be robbed of her innocence and her life by a killer who is beyond the reach of the law. But something strange is happening in Babylon: traffic lights flash an eerie blue, a ghostly hand slithers from the drain of a kitchen sink, graves erupt from the local cemetery in an implacable march of terror ... And beneath the murky surface of the river, a shifting, almost human shape slowly takes form. Night after night it will pursue the murderer. And when the full moon rises over Babylon, it will seek a terrible vengeance ...