The princess of the current dynasty Ye Ling Yue did not hesitate to use her own marriage for her schemes. She went deep into the tiger’s den to marry her opponent’s son, Wan Xing Zhu, and then fell in love with him. On her wedding day, she met Li Yun Zhi, an orphan of the Li family, a family of ministers from the previous dynasty. Li Yun Zhi sneaked into the court and stayed with the prince Song Chen , waiting for an opportunity to take revenge. The two were also enemies and water friends, and their bond gradually deepened, and they walked side by side through all the hardships. However, with the destruction of the Wan and Ye families, the secret of the exchange of identities between the two was also revealed.