Tom is reunited with his mother and must return to Greece to face a new and terrible threat from the dark forces, and a momentous decision must be made, causing a serious rift between Tom and the Spook that threatens to separate them forever.
The Spook and his apprentice, Thomas Ward, have been successful in ridding the county of witches, ghosts, and boggarts, but they face a much more formidable task when they travel to Priestown to confront the Bane and the Quisitor.