After escaping Japanese-occupied Foshan, the renowned martial artist relocates to British ruled Hong Kong in 1950. Struggling to establish a new life for his family, he decides to open a Wing Chun school to teach local students. However, he faces challenges from rival martial arts schools, particularly from the powerful Hung Ga master who controls the martial arts community. To gain the right to teach, he must pass a series of grueling tests set by other masters, demonstrating his skill and resilience in a series of intense fights that test both his physical prowess and philosophical beliefs.

Throughout his journey, he encounters various students and begins to build a reputation, attracting unwanted attention from corrupt British officials and local enforcers. Amidst growing tension between the local martial arts schools and the British authorities, the protagonist’s principles are put to the test. His dedication to martial arts and justice brings him into conflict with not only local adversaries but also powerful foreign foes. As tensions escalate, he must uphold the honor of his martial art while navigating treacherous political landscapes and standing against oppression. The challenges he faces solidify his legacy as a symbol of resistance and integrity.