Records of Secret Cases in the Song Dynasty·jiuxiao Drum

Children on the street will sing a song called "Jiuxiao Drum": one beat of the drum, grass and trees grow; two beats of the drum, remembering the blank; three beats of the drum, the past is hurt; four beats of the drum, the song fades away; five beats of the drum, pray to God; six beats of the drum, make one's mind clear; seven beats of the drum, the darkness creates light; eight beats of the drum, the road is broken; nine beats of the drum, the flowers of the other shore. Some people say that Jiuxiao Gu is an organization, some say that Jiuxiao Gu is a person, and some people say that finding Jiuxiao Gu can realize your ambition. Gu Changming and Dai Guozi were involved in a series of complicated and confusing cases by accident, but found that all the clues pointed to - Jiuxiao Drum! And only by finding the real Jiuxiao Drum and beating the ancient drum sound in the sky can the people be brought to peace and the numerous murder cases be brought to an end!