In 1950, many martial artists moved to Hong Kong to open boxing gyms. Including Ye Wen (Tang Wenlong) did not lose his reputation, attracted the attention of Zheng Delong (Lin Fengyi), the owner of the walled village of Kowloon. After telling about Fang Fang’s death on Ye Wen, they wanted to be removed by the police. A mysterious man appeared and rescued Ye Wen. E. Wen — self-confident, with his disciple Amin Akian, crossed the border of the fortress city of Kowloon. They decided to bring Zheng Delong to justice.