Introduction：Jinling Prison was invaded by a mysterious assassin from the martial arts world, and the deceased was only a miner. Six Gates was ordered by the court to rush to Jinling Prison to investigate this case. They thought Six Gates would send first-class constables to investigate, but to their surpriseWhat arrived were four inexperienced female constables, all of whom, despite their young age, possessed exceptional skills. Four people have found that the murder case is related to the Jinling Silver Mine. It is feared that some people were found to have a lot of personal wealth before committing the murder. We need to investigateWhen the largest gang, Jiulong, was also involved in this matter, a few people approached the mining supervisor Chen Zengzhuang, but unexpectedly, like the county magistrate Zuo Hengzhi, they were brutally assassinated by a poisonous hand, and their senior brother Mu Changfeng, who led the four of them, was also killed on the way back to BeijingAttacking seriously injured and unconscious, the four of them discovered that the master of the county magistrate's son, Zuo Jing, Xiao Tiannan, may have colluded with Chen Zhuangzhuang to embezzle silver mines and killed them. Without the protection of their senior brother, the four womenThe child used his unique skills to peel off the cocoon layer by layer, and finally escaped the danger to capture Xiao Tiannan and help the court recover the missing silver mine.