Chan Gwan-Biu

David Chiang and Norman Chu play bounty hunters who both are going after a long-notorious criminal, the Spider. When Chiang is hired to protect a rich businessman who has been targeted by the Spider, he decides to work with Chu to solve a decades-old robbery.

A crime / revenge movie loaded with gory torture sequences, including acid in the shower, a pick-axe killing and a lovely scene where a man is tied to a cross and killed with the titular critters. Scenes from this later ended up in the IFD / Godfrey Ho mishmash Majestic Thunderbolt (1985).

A prince wants to marry a common girl, but is forbidden from doing so. When the girl's parents are brutally murdered, she's taken in by the Silver Fox, and taught the ways of killer kung-fu techniques, which she masters completely. When she finds out that the prince's life is now threatened by the same warlord who killed her parents, it's time to take revenge.