Arcane archivist Harper is plagued by nightmares of grotesque creatures and bloody deaths. Her visions are becoming more frequent, more violent… and they’re coming true. She is guilt-ridden when a man is killed after she had a visceral experience of his death and did nothing to prevent it. The unusual markings on his corpse, combined with his neatly excised vocal cords, send a ripple of terror through York and rumours of witchcraft abound.

Harper tries to harness her powers to stop the murderer before they kill again. She can’t trust anyone, not even those closest to her, as any hint of magic is punishable by death and supernatural creatures have been hunted to extinction. While trying to keep her secret, Harper teams up with her Christian, demon-hunting foster-sister; a Muslim forensic scientist; and the deception demon she accidentally summoned.

By becoming embroiled in the supernatural, Harper risks the authorities discovering her secret. Yet her magic brings her closer to her own forgotten past, a mystery she’d sacrifice almost anything to unravel. To protect both human and supernatural, Harper walks the thin line between their worlds. Through her divided loyalties, there is one thing she knows for sure: if either side catches her, she’ll die.