The male protagonist Wan Jiuchen, the female protagonist Li Qingyun, and the female protagonist grew up in Dali Temple. Her father was the minister of Dali Temple. In order to solve her father's heartache, the female protagonist decided to investigate the case of the Wan family. They accidentally discovered that the youngest son of the Wan family, Wan Jiuchen, was still alive. The two worked together to investigate the case, overcame many difficulties, and got together. Finally, the murderer was found. The male protagonist also became the new minister of Dali Temple, and they spent the rest of their lives hand in hand.