For seventeen years, Elara Vale believed she was an ordinary girl living in an ordinary village. She was wrong. On the night of her seventeenth birthday, the moon disappears from the sky. Strangers arrive in Bellhaven searching for her. Her mother tells her to run. And for the first time in her life, Elara discovers that something impossible lives inside her. But that's only the beginning. A mysterious boy with silver eyes knows more about her than he should. An ancient kingdom has begun searching for her. And somewhere beyond the darkness of the vanished moon, something ancient has awakened. Elara wants answers. Instead, she discovers a terrifying truth: She isn't the person everyone has been searching for. She's the reason they've been searching. And if she discovers what she truly is, she may have to choose between saving the kingdom... or destroying it.