Legendary fighter Wu Song is sent to prison in Mengzhou province after murdering his sister-in-law and her lover. There he meets with the prison officer Shih En, who saves Wu from the baton punishment required for new prisoners. Wu learns that Shih's restaurant, "The Delightful Forest" has been occupied by Chiang Chung. Wu returns to the restaurant-- A place he's dined in previously.
Three female detectives - from Hong Kong, Korea and Singapore - go undercover in a cabaret to expose a murderer.
An honest, diligent and helpful taxi driver Chen Kuang (David Chiang) gets involved in a bank robbery, and the police mistakes him as a robber. He together with a driver Tu Fa (Wang Chung) strives to gather evidence. After some twists and turns, the two finally are able to help the police in bringing the culprits to justice.
