Seraphina is reborn with one purpose: to settle the debt of her sister’s former-life misery. By exchanging marriage contracts, she enters the vampire Duke Cassian’s dangerous home in her sister’s stead. Facing his madness without fear, she restores control to the household and secretly works with Chief Justice Julian. After exposing Cassian’s coup and escaping his grasp, Seraphina finally steps into a love that had waited for her for a decade.