A small village is taken over by the nasty Japanese, who kill the town's top kung fu fighter in order to scare the populace into submission. Escaping the wrath of the Japanese, the son of the master flees into the hills, where he trains with a group of rebels led by Gam Kei-Chu. Fast-forward ten years, and Chuen returns to the village armed with his father's secret technique of the Thunderbolt Fist with the hopes of killing the leader of the Japanese.

A young boxer joins a martial arts school to increase his skill so he can enter a martial arts competition. He leaves the school when he hears that a local gangster is terrorizing the town. He comes to the aid of a young singer and brings on the wrath of the local gang. He eventually enters the martial arts competition after learning iron palm technique and takes out all competition.

18-year-old Ainu is kidnapped and sold to a brothel. Her good looks and wild personality make her very popular with the lustful clients, but also draw the lesbian attentions of brothel madam Chun Yi. Chun Yi teaches Ainu the ways of lust and the ways of kung fu, and Ainu becomes more and more similar to her captor. But rage at her treatment is still burning inside her.