A ruthless warlord from the north of China has come south to take control of the province of Canton. However, Canton's hero "Iron Bridge Sam" a local coolie has other Ide.

A power-hungry man forces the townspeople in a small village to a fight-to-the-death kung fu match. When one of his friends are killed, Iron Bridge Kun (Leung Kar Yan) learns kung fu from a mysterious man named Jin and tries to defeat the bad guy and his fighters. Will his skills be good enough to protect the town? Cantomen Iron Kung Fu is a 1979 Hong Kong martial arts movie.