Lee Sung-sun is nicknamed Sirasoni (means a baby tiger) for his gentle personality. Because of his strong sense of justice, Sung-sun gets into a fight with Japanese students and this keeps him from going on his honeymoon. He flees to China. There, he helps a Chinese woman being harassed by the Japanese and ends up working with the Chinese dock laborers. The dock manager doesn't pay the workers fairly and represses them. When Sung-sun loses a friend because of this, he confronts the Japanese and puts a big dent in their pride.
Deok-bo intends to fight his Eun-swi for the love of Bon-hie, but he is impressed by his rival's manly strength upon meeting. They become very close friends. Bun-hie, who was hoping to make Eun-swi an upstanding citizen is furious that he now spends all of his time Deok-bo. She decides to murder her former admirer-turned-rival.
In Ching Dynasty, surviving retainers of Ming Dynasty swears with blood to restore their country. Hwang Baek who is greedy for power, brutally kills them but the master Mok-ryun defeats him every time. Kang Shi-baek, the lord of Haedong, has a daughter, Chung-chung, who is engaged with Chon-ryong. Baek-ho asks to marry her also. Hwang-baek plots against Kang Shi-baek and puts him in jail. When Kang Shi-baek's head was about to be cut off, two of the masters Mok-ryun show up and rid of Hwang-baek group. Chon-ryong matches against and beats Hwang-baek and leaves with Chung-chung.
Japanese forces in Shanghai attempt to destroy the patriotic spirit of the Chinese by closing down all Kung Fu gyms. Chang Ling (Bruce Le), a top Chinese Kung Fu practitioner, is forced to flee to Korea. The Japanese forces pursue him there, and so Chang Ling fights back, defeating many Japanese fighters before finally encountering the Japanese commander.