Princess Rong Le of Xiqi wakes up from a coma with no memory. Various signs make her doubt her identity. In order to form an alliance with Beilin, Rong Le is ordered to marry Prince Wuyou of Beilin, but Wuyou refuses to marry. Rong Le changes her name to Manyao, the owner of a teahouse, and secretly searches for the lost book of governance of the Qin family. She and Wuyou get to know each other. Wuyou, who doesn't know her true identity, falls in love with Manyao. When she finds the book, her brother Rong Qi wants Rong Le to marry Fu Chou, the general of Beilin. Rong Le and Fu Chou reach a fake marriage agreement, and Wuyou finds out that Manyao is Rong Le. Manyao, who is determined to take control of her own destiny in pain, finds out that Fu Chou is actually Wuyou's brother, and she herself is Qin Man, the daughter of the Qin family. Rong Le and others realize that they can't even protect the happiness of themselves and their loved ones in troubled times. In the end, Rong Le, Wuyou and Fu Chou jumped out of their egos, put aside their grudges, and with Rong Qi's selfless help, smashed the treacherous conspiracy, stabilized the situation, and each of them moved towards a new life.