Hong Kong, Hong Kong is the story of a young woman, Man Si Sun, who has arrived illegally in Hong Kong from mainland China, and Kong Yuen Sang, a young man who is a gambler and wannabe boxing champion.

Mysterious Heroes centers around Lau Tien, master of the deadly 13-Sword Style. Thrown into prison by a group of jealous enemies, the 13-Sword Style is rarely spoken of, let alone seen, until 20 years later, when a second swordsman going by the name of Lau Tien proves to be the world's second 13-Sword expert. Action-packed martial arts chaos ensues when the enemies of the original Lau Tien vow to destroy his successor.

Four carefree lovers in Hong Kong enjoy their youth while danger looms on the edges.

Connie Chan Po-chu's character's father was killed by the triads, leaving behind two daughters. The elder sister makes a living as a singer at a nightclub, and is sometimes threatened by triad members. The younger sister (Connie Chan Po-chu), who knows karate, becomes an assassin who punishes villains.