Racing against time, Jonah and Emma, who possess unique magical gifts, work to uncover the truth about Thorn Hill, a peaceful commune that the Wizard Guild claims is a hotbed of underguild terrorists.
Seph, an orphaned and untrained wizard who is unable to control his growing powers, is sent to a secluded boys' school in Maine where the headmaster promises to train him in magic and initiate him into his mysterious order of wizards.