Library

Zhang Huajie is the head of the Criminal Investigation Division. Recently, he had to ask his former team member Mai Shaoqing for help because he couldn't handle a case. Mai Shaoqing was originally a core member of the Criminal Investigation Department, known as the magical little Poirot of Sherlock Holmes, but he left due to some reasons. The two teamed up and finally cracked the case. It turned out that the case was related to some historical things, and many passwords for solving the case were found from the long history. Later, there were several cases related to historical events. In the end, it turned out that a leader who was proficient in history was controlling everything behind the scenes.