Abandoned by her family, Eva is reborn on the bloodline trial day and chooses the wounded werewolf Alistair—secretly the supreme Lycan King in disguise. Her stepsister Vivian seizes the vampire marriage contract and torments her, but Alistair arrives at the Blood Moon Ceremony with his wolf legion, reveals his identity, and avenges every insult. Together they expose the vampire Progenitor's plot to seize the Blackstone Divine Essence inside Eva.