At the beginning of the 20th century, the international situation was changing rapidly, and ancient China was in a critical moment of life and death. Far away in Foshan, Guangdong, the young Ip Man and his brother Tianci were studying under the famous Wing Chun master Chen Huashun (played by Sammo Hung). Ip Man was talented and had extraordinary qualifications. He stood out among his brothers in ten years. After adulthood, Ip Man (played by Du Yuhang) bid farewell to Tianci (played by Fan Shaohuang) and his younger sister Meihui (played by Chan Ka Wan) who grew up together, and came to Hong Kong alone to study. During this period, he taught a lesson to the foreign devils who discriminated against Chinese people. Not only did he become famous in Hong Kong, but he also took this opportunity to worship Liang Bi (played by Ip Chun), the son of Liang Zan, a member of the Wing Chun clan. Back in Foshan, Ip Man had a disagreement with his senior brother Wu Zhongsu (played by Yuen Biao) over the issue of whether Liang Bi's Wing Chun was orthodox. Soon, the chairman of the Jingwu Club was murdered. The Japanese with ulterior motives are ready to make a move, and the former friend Tianci seems to have completely changed...