Shih-Nan (Cheng) 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 (Chan Chung-Yung), who just so happens to fancy Shih-Nan!