The Keep was supposed to be a safe place for Demigods. Aurora Argent, daughter of Zeus, and nearly at the top of her class, was brought to the Keep from an orphanage. Four years later, her and her friend Kai get their dragons. But when gruesome murders frighten the Demigods, Aurora, Kai, and a son of Hades, must solve the murders and win a war amongst the Gods of Olympus.