As Queen of Foxes, Vivienne trusted a fallen black serpent with everything: her crown, her throne, her power, and a son. He answered with cruelty, calling her a whore, destroying their newborn, and joining the white fox who had murdered her. Stripped of her last tail and split open from belly to chest, her fate seemed sealed. A thousand years later, he returned for Vivienne’s heartstone to save his mistress—only to learn the heartstone had been beating within him the entire time.