Two years ago, Lucy Thorne stepped through her mirror and into a kingdom of monsters, swearing to hunt down her grandfather's murderer. Today, she has nothing more than nightmares and the ring found in his cold grasp to show for her efforts. But when she meets a creature offering her a clue at a steep price, Lucy recklessly seals her fate, willing to give up everything--including love--to get her revenge. Thrust into the kingdom's criminal underbelly, she discovers the ring she carries is far more important than imagined. And someone powerful is after it. With her heart and life on the line, Lucy's caught in a twisted web of lies, love, and self-destruction.