Katy knows the world changed the night the Luxen came. The lines between good and bad have blurred, and love has become an emotion that could destroy her—could destroy them all. Daemon will do anything to save those he loves, even if it means betrayal. When he and Katy team with an unlikely nemy, it quickly becomes impossible to tell friend from foe. With the world crumbling around them, they may lose everything— even what they cherish most—to ensure the survival of their friends…and mankind.