A novel about a boy called Nathainel, who unwillingly moves to a neighbourhood called Cheshunt with his single mother. Nathainel discovers that the headmaster of his school, is an evil demon, and with the help of his friends Indian, Nissa, Seth, Danny, and the mysterious Lallie, he must complete the circle, and defend his friends and their beliefs to defeat the evil that poisons the ground of Cheshunt.