Set during the Warring States Period, centers on Princess Fei'er who is commanded by her dying father on the battlefield to defend their country with General Xuehu. The princess is later attacked and injured by the treacherous official Wu Ba, but is rescued by Duan Lanquan, whom she falls in love with. Faced with continued attack from outside and within, the princess must make some important decisions to ensure the survival of herself and her country.