In the late Qing Dynasty, foreign invasions, internal and external troubles, and people were living in poverty. Facing the oppression of the great powers, Huang Feihong (played by Zhao Wenzhuo) still promoted Chinese culture, protected national beliefs, and persisted in fighting against the attacks of outsiders. In such a period of social turmoil, Wu Zhennan (played by Tang Wenlong), the master of northern boxing, first entered Foshan to spread northern boxing in the south, but repeatedly ran into a wall. Faced with Huang Feihong's hospitality, Wu Zhennan was unwilling to accept his help. At this time, the foreigners took advantage of the fire and used the drug research on Wu Zhennan, which led to the intensification of the conflict between the two. Faced with the use and threats of foreigners, Wu Zhennan had to fight a fierce battle with Huang Feihong. Lu Xiaoyue (played by Wei Xiaohuan), a girl hired by foreigners to assist in the research project, also gradually learned about the brutal experiments of foreigners in the secret research project, and gradually saw the foreigners' plan, and the danger was imminent...