Hannah Wentworth flees her life in San Francisco to join her sister witches in Otherworld, and vows to help conquer the evil bent on destroying the human realm. In a strange twist of fate, the only being who can help her happens to be the king of the Dark Elves, the father to her nemesis. He is the one man Hannah can never, ever trust—especially because of her dangerous attraction to him.

Garran knows the beautiful, headstrong Hannah is wary of him for having banished his people to a life underground. But now Garran can right that wrong by helping her and the other gray witches in their battle against the demons of Underworld—even if doing so means sacrificing the passion he's found only in Hannah's arms.