Cheng Shih-Nan is a Mainland inspector who journeys to Hong Kong with her assistant and cousin Hsiou Sheng to deliver a ruthless criminal. But the bad guy escapes, meaning Shih-Nan and Hsiou Sheng are now stuck in capitalist Hong Kong for an extended stay! A flag-waving supporter of the Communist Party, Shih-Nan marvels at the “decadent” lifestyle of her Hong Kong counterpart, Inspector Wu Kei Kuo. But despite the culture clash, the two disparate cops find the common ground they need to dispense justice – and even discover something akin to romance! But will the Party approve?

Shih-Nan is assigned to a top-secret mission to protect a Communist Party official in Hong Kong. The official is in Hong Kong to see his first love, but Taiwanese bad guys catch wind of the visit and plot an assassination. It’s up to Shih-Nan to save the day with help from a Taiwanese policeman named Yung, who just so happens to fancy Shih-Nan!

In this third sequel, Mainland cop and perennial straight-woman Cheng decides on a civilian life in Hong Kong, but her immigration quickly proves comical.

Mainland Inspector Cheng Shih-Nan once again leaves the Mainland with her cousin Hsiou Sheng to tackle a Hong Kong-related murder. They get help from their Hong Kong brethren, including the brother of Wu Kei Kuo, and the race is on to find the bad guys! But there are still many mysterious portions of Hong Kong’s capitalist culture for Shih-Nan to explore, including the wonder of karaoke!

A righteous straight-laced China Public Security officer with supernatural powers is sent to Hong Kong to catch two ruthless thieves. His police tactics proves hilarious when he teams up with his Hong Kong counterpart.