At the end of the late Qing Dynasty, society was in turmoil. In the deep palace, the Jingtan Secret Treasure Map in Wenyuan Pavilion was stolen. In order to compete for this treasure, which could almost change the world, various forces were eager to move. And the royal bodyguard Men Sandao (played by Qin Junjie), who once received the sword, was also dispatched by the Internal Affairs Office to retrieve the treasure map and find out the forces behind it. At this time, a murder occurred in an inn in Dagu County, Tianjin. None of the nine people who had returned from Japan survived, and the deaths were tragic. County police constable Wang Dibao (played by Pang Hanchen), who abandoned his pen and joined Rong because of the abolition of the imperial examination, rushed to the scene. Through the victim's injuries and modus operandi, he determined on the spot that the case was committed by Rongtianling Gate in Lingxi. In order to arrest the murderer, Wang Dibao pursued the murderer alone despite the county government's opposition. On the other hand, Zhuo Bufan (Liu Yuning), the leader of Rongtianling, has just received a report from his subordinates that nine people have been killed and the contact information has been obtained. It turns out that the secret location of Jingtan is a secret that the court has been unable to explore for many years. Recently, when Prince Chaoqi (Liu Peiqi) received news, the secret of opening the treasure was in the hands of Tan Xian (Zong Fengyan). Prince Qi is bent on implementing changes and requires a large amount of money to turn around; Zhuo Bufan is a Guangyao sect, inherits martial arts, and sets up a general altar in the Central Plains, which also...