Li-chuen Chou

We Lung & Chu San battle numerous evildoers in their efforts to protect the inhabitants of a small village.

Vice Squad 633 sends crack narcotic fighters Wong and Miss Chow to the slums to flush out the traffickers. They catch Spareribs, a minibus driver who has become an addict because he foolishly believed in a quack doctor. Wong and Chow decide to give Spareribs another chance and he offers to be an informer. The Wong-Chow team makes a number of arrests, thanks to Spareribs. Lam Kee, the drug ring's boss, fails in buying Wong over. He decides on a diabolic plan to get rid of Wong...

When a gang war breaks out over disputed territory, crime boss Wai blames his lieutenant, Ah Sing, for failing to wipe out the competition.

Learning of childhood friend Meihua's death, Lingling goes to Japan to find Meihua's sister, Meifeng. Brutal gangsters demand Lingling return an item Meihua stole, and hold Meifeng hostage. Old friends help Lingling confront the gang.