'She dragged herself back up, holding her scraped hands inside the sleeves of her parka like paws. As she came to her knees, a sound like laughter was chopped up by the wind, and the woman was back . . .'A legend of the undead, still seductive, still deadly. A storm unearths a medieval corpse in the old city of Hereford, and the past returns to menace diocesan exorcist Merrily Watkins.