The police chief, Detective Ding, and a wealthy local businessman, Feng Da Tou, collaborate with a foreigner and traitor to sell opium for their own selfish interests. A female detective, Huo Qing, arrives in Pujiang Town with her assistant, Yan Er, and has many misunderstandings with the deputy police chief, Xing Yi, as they investigate a case. (Source: cpophome.com)