Chen Zhen, a Chinese technology student in Kyoto, who braves that the insults and abuse of his Japanse fellow students for his community love Mitsuko Yamada, daughter of the manager, returns in 1937 into his native Shangai, under Japanse protectorate -in fact military job - after reading about the passing of his kungfu master Hou Ting-An at a struggle against the Western winner Ryuichi Akutagawa.