A young swordsman is sent to the city of Lo Yang to help his father's benefactor Inspector Chang from the four monsters-which are causing him a lot of grief. Four of the most violent martial artists in China.

• Wang Ling
• Tsai Yang-Ming
• Chang Feng
• Chiang Ching-Hsia
• Chin Tu
• Wan Hsi Chin
• Ko Hsiao Pao
• Heng Lu Kou