Boston's demons have been disappearing and Vicky's clients are cancelling left and right. While fewer demons might seem like a good thing, Vicky suspects foul play. A missing Celtic cauldron from Harvard's Peabody museum leads her to an unwelcome conclusion: Pryce, her half-cousin and bitter enemy, is trying to regain his full powers. But Pryce isn't alone. He's conjured another, darker villain from Vicky's past. To stop them from destroying everything...