'Are you frightened of dying, Issy?' Issy doesn't know where she came from or who she is. Night after night, she has the same nightmare: she burns in a fire and at the heart of the flames is a face she dare not look at. Fear and superstition are everywhere. She must run - from the Witch-finder, from the evil hag who wants her, from those she loves and maybe even from her own true nature...