In a southern town during the Republic era, bandits ambush foreman Dai Wencai, killing his attendant despite taking his money. When Dai mentions his master Liu Songyun, the bandits hatch a plan to seize the Liu family’s fortune.

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.

The Tang Dynasty is in danger, Wu Zetian is the emperor, the dynasty is in turmoil, the fox demon is out at night, rumors abound, millions of silver money is missing, the conspiracy behind is the collusion of powerful ministers, or ghosts are running rampant.

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.