Flowers fade and flowers fly all over the sky

Xiao, Sima, Hua and Xie are the four major families in the capital. Hua Mantian (played by Peter Ho) and Xie Qianxun (played by Zhang Xinyu) were childhood sweethearts. As adults, their friendship slowly turned into love. The two people who are in love regard each other as the person they are destined to be. Qingcheng (played by Li Xinai) is the emperor's favorite princess, and she is hopelessly in love with Huamantian. However, Qingcheng is destined to be sent to a foreign land for marriage, and Huamantian is the general who escorts the marriage team. Something happened to the Xie family. Hua Mantian was anxiously worried about Xie Qianxun's fate, and planned to secretly send her out of the city through the marriage team. Unexpectedly, an accident happened. Qingcheng and Xie Qianxun fell into the cliff at the same time. Fortunately, they were treated by the mysterious female doctor Ling Guzi. Although they saved their lives, Qingcheng and Xie Qianxun exchanged faces.