Besides the ability to see and talk to ghosts, Maggie Evans lived a relatively quiet life in London, England. But a meeting with the phantom of Anne Boleyn at the Tower of London changes everything. Playing matchmaker, Anne encourages her long time crush, Liam Lowe, to finally make a move. However, Maggie quickly learns of Anne's ulterior motives. The Tower's ongoing restoration has broken a protection spell unleashing a centuries old curse. With the help of the Tower's phantoms, Maggie and Liam must stop a hell mouth that threatens to swallow London and while fending off an army of demons who want to claim the English throne.