Plot

A martial artist living with his grandfather is stricken with poverty and dreams of a better life. He has to leave Hong Kong after getting into trouble, so he moves to San Francisco, where his superior kung fu leads him back into trouble.

After getting in trouble with local gangs, a young man (Fu Sheng) flees to San Francisco, where the same gangs are still causing problems. He becomes a part of a rival gang, and eventually decides to play them against each other in order to clean up the town.