The Spook and his apprentice, Thomas Ward, deal with the dark. Together they rid the county of witches, ghosts, and boggarts. But now there's some unfinished business to attend to in Priestown. Deep in the catacombs of the cathedral lurks a creature the Spook has never been able to defeat, a force so evil that the whole county is in danger of being corrupted by its powers. The Bane!

Thomas Ward is the apprentice for the local Spook, who captures witches and drives away ghosts. As the weather gets colder and the nights draw in, the Spook receives an unexpected visitor. Tom doesn't know who the stranger is or what he wants, but the Spook suddenly decides it's time to travel to his winter house, Anglezarke. Tom has heard it will be a bleak, forbidding place, and that menacing creatures are starting to stir somewhere on the moors nearby.

Thomas Ward is the apprentice for the local Spook, who banishes boggarts and drives away ghosts. But now a new danger is threatening Tom's world: the witches are rising and the three most powerful clans are uniting in order to conjure an unimaginable evil. Tom and the Spook set out to stop the witches before they unleash the demon. But when Tom finds himself on his own, he wonders if he has the courage and cunning to defeat the most powerful enemy he has ever encountered.

As the Spook's apprentice, Thomas Ward's first duty is to protect the County from ghosts, boggarts, and other dangerous creatures. But now his mother has come back from her homeland to seek his help. One of the most dangerous of the old witches, Ordeen, is about to return to earth, bringing with her suffering and devastation. Tom's mother has mustered a powerful army - including Tom's friend Alice, the Pendle witches, and the assassin Grimalkin - to confront Ordeen.

Thomas Ward has spent two years as the Spook's apprentice. He's faced unimaginable peril, and survived. But a new danger has emerged: an ancient water witch, Bloodeye, is roaming the County intent on destroying everything in her path. To strengthen his skills, Tom is sent to the far north to train with the demanding Bill Arkwright. Will Tom's new bag of tricks be enough to overcome a critical mistake that leaves him confronting Bloodeye on his own?