This film tells the story of Ma Yongzhen, who was born in a family of martial arts in the early years of the Republic of China. In order to help the people of Shanghai's Zhabei district, Teacher Ma ventured into danger alone, relying on his martial arts and a fiery patriotic heart to fight the Five Lakes Gang and the French martial artists.
There is a legend that whoever can obtain the Broken Sword will have no rival in the martial arts world and will become the supreme warrior of the martial arts world, but no one knows where the Broken Sword is hidden. However, only master Chu Tianji has obtained the map from the barbarians and wants to use it for himself.
Mr. Tong
Poseyendo habilidades marciales únicas, Ma Yongzhen viaja de su pueblo natal a Shanghái para ganarse la vida. Allí se encuentra con Lung Chat, quien asciende rápidamente gracias a sus habilidades. Los dos se hacen grandes amigos y tras pasar varias dificultades su relación se consolida como hermanos. Desde entonces luchan juntos y derrotan al clan Axe, con la ayuda del maestro de kung fu retirado Líder de Hierro. Pero el clan Axe vuelve para vengarse provocando un triste suceso