Description:During the Song Dynasty, Song Ci came to Changting County to work and focused on studying the method of autopsy, only for the purpose of writing the "Collection of Wrongings". One night, a man and a woman both died, shocking the entire county. Upon learning of this, Song Ci immediately intervened in the investigationUpon investigation, it was discovered that the case was very suspicious. At a moment of helplessness, Song Ci thought of the woman she had not dared to see for three years, the "Wanshi Tong" Danqing in Changting County. So Song Ci went to Danqing to inquire about two recent homicide cases, andRequesting Danqing to investigate together. After a series of analysis, reasoning, and exploration, the truth finally came to light.