Su Yixin, the princess of the Yuexi Kingdom, returned to Kyoto several years later to attend her best friend's wedding. On the eve of the wedding, she met the young general Li Feng. Fu, she went to Gaowu Kingdom to take risks to complete the deal with "Baiyu Zhai", and got acquainted with Gao Ziling, the ninth prince of Gaowu Kingdom. Finally, with the help of various forces, she returned to Kyoto incognito and reunited with the old people of Kyoto. With the joint efforts of everyone, she found out the truth about the murder of her parents and safeguarded the stability of several countries. At the same time, Su Yixin is also faced with a difficult choice. On one side is her first love Li Feng, on the other side is the kind and affectionate Bai Yuanxiu, and on the other side is Gao Ziling, the new emperor of Gaowu Kingdom. Where should she go?