Wren Sterling, prime minister's daughter, is forced by her stepmother into marriage to an emperor. She flees, falls off a cliff, rescued by Kael Crawford, Regent. Amnesia, she mistakes him for her cousin. Kael guards her, romantic feelings develop. Regains memory, leaves to protect him, entangled in court power struggles. They survive crises, quell rebellions, avenge blood feud, marry, and live together with their children.