Captive in the Moore estate, Sloane Bevan sees an image that evokes her grandmother’s warning: When the moon aligns with the oak, a danger will come for you. To her family she’s a warrior. To the Moores a destroyer. But she holds knowledge of magic the Moores lost, knowledge they want to extract before they kill her.Rex Moore is out of patience. He has trained his whole life to battle and end Sloane Bevan. Now she’s in his house and his family has ordered him to wait. This is the first order he’ll defy, the last order they’ll give. Once he kills Sloane, the Bevans will fall and he will claim his birthright as king.To end the age-old war between their families, one must destroy the other. Sloane and Rex understand their destiny, but no one predicted the larger battle they walk into. The mutual enemy they unveil. And the impossible allegiance necessary to survive it.