This story tells a story of how the net of heaven is vast and nothing can escape it, and how evil cannot prevail over good. The police chief Ding and the local wealthy businessman Feng Datou colluded with foreigners and traitors to resell opium for their own selfishness. In order to find the legendary treasure, they sacrificed the lives of the innocent Sun and Zhou families, and completely ignored the danger of the country. Female inspector Huo Qing came to Pujiang Town with her right-hand assistant Yan'er. Although she had many misunderstandings with the deputy director of the police station Xing Yi, fortunately they were cleared up in time. The three of them joined hands to crack the Sun and Zhou family extermination case, exposing the treasonous crimes of inspector Ding and Feng Datou. The truth of all the cases was revealed, the bad guys were punished as they should be, and Pujiang Town returned to its former tranquility.