Yan Ran, a modern agent, traveled through the soul of the grandson of Wuhou Mansion in the Northern Song Dynasty. After waking up, he quickly uncovered the frame-up framed by his cousin, defeated his second uncle's plot to seize the title, and obtained the inheritance rights and the family heirloom sword. In order to avoid internal strife, he joined the Wude Division and was repeatedly framed by his superiors. He used his resourcefulness and skill to catch Xixia spies and solve a series of murders, which led to the unsolved case of the disappearance of Yin Guan and Shoudao Ying six years ago. Form an alliance with the female catcher Shen Hongxiu and the undercover school lieutenant to explore the ghost village, find out the villain who is colluding with the big bandit behind the scenes, eliminate the traitors in the marquis' mansion, and after attacking the prince, he and his allies break into the Tibetan Silver Cave to start the ultimate showdown!
