Sixteen years ago, a mysterious organization appeared in the northern capital city. It massacred local wealthy and noble families in various counties of the capital city, robbed countless treasures, and used extremely cruel methods of killing. The death conditions were like the torture of eighteen hells. People call him a human Rakshasa who crawled out of hell. Just when seventy-two members of the Wang family were massacred. This organization was all executed by the county magistrate Bai Renshou, and the human Rakshasa was gradually forgotten by people. However, just sixteen years later, murders occurred again in Beidou City. Even the county magistrate Rao Wenyuan was brutally murdered. Chu Siyao, a local gangster who disguised himself as a man, teamed up with the newly appointed magistrate Xiao Muyun, and his friends Bai Ying and Qin Junming to investigate, and found that all the murders were related to the human Rakshasa organization back then. The case was complicated and confusing, and witnesses were killed one after another. Behind each murder case, the bizarre life experiences of four people were revealed. There was a shocking secret hidden behind Xiao Muyun...