Can love survive?

When Hunter Cassidy exposed the true identity of the underground's brutal leader, she also uncovered the devastating truth about her own life.

With her time running out, Hunter must ally herself with her mortal enemy—the only woman with the power to destroy Hunter and everything she loves, including Slade Baines.

Determined not to lose Hunter, Slade will do anything to find the final Realm that holds the secret to saving Hunter and destroying their enemies once and for all.

But within the Realm is a maze of dangers, magical creatures of myth and legend, and a labyrinth of traps that will force Hunter and Slade to make deadly sacrifices, threatening their alliances, their lives . . . and their love.