A criminal police officer from the Serious Crime Team of the Criminal Investigation Detachment of a modern city's Public Security Bureau, specializing in psychological profiling of criminals. After entering the ancient tomb by mistake, he found that he had traveled back in time to the third year of Jingyou in the Northern Song Dynasty and became a poor scholar with the same name in Chenliu County. As an ancient scholar, he used modern criminal investigation methods to solve strange cases in the Northern Song Dynasty.
