Book 4 of the saga The Knights of Emerald, A Rebellious Princess: At nineteen, Kira becomes a knight and marries Sage, unaware he is possessed by Onyx. When Onyx seeks vengeance on Abnar, the Knights of Emerald intervene. Sage, once freed, remembers nothing of the past four years, and Kira helps him relearn his life. Meanwhile, mysterious creatures threaten the coast, forcing the Knights into battle against Amecareth's latest trap.