While tracking a drug trafficking case, the police encounter strange events involving a drug mule with a vacant expression and extraordinary strength. Seven or eight officers are unable to stop her progress, and ultimately, an out-of-control truck strikes the woman. Upon investigation, the police discover that she is the daughter of a woman known as San Po from Dong Ping Island, and thus request San Po to come in for questioning. To accommodate San Po's old age, Uncle Feng (played by Lam Ching-ying), a police officer from Dong Ping Island, assists with the police investigation. Uncle Feng is a highly skilled police officer in the use of supernatural powers. After examining the corpse, he notices something unusual and suspects that someone is smuggling drugs through the corpse. Uncle Feng's old partner (played by Wu Ma), aware of the seriousness of the case, asks him to investigate further. Accompanying Uncle Feng are two bumbling young officers (played by Lam Kwan and Miu Kiu Wai), who are interested in Uncle Feng's niece (played by Wong Mei Wah), leading to several humorous situations due to Uncle Feng's strict nature. As the investigation deepens, a hidden cult drug trafficking organization gradually comes to light…
