The protagonist, Lin Feng, comes from a martial arts family in a small town in Jiangnan and has trained in martial arts since childhood. After his family is framed by a treacherous enemy and wiped out, Lin Feng barely escapes. Carrying a deep-seated grudge, he heads to Shanghai, a place where all sorts of factions mingle: the Qing Gang and Hong Gang, which each dominate their own territory, as well as outside forces like Japan's Black Dragon Society. Soon after arriving in Shanghai, Lin Feng intervenes when he sees injustice and gets into a fight with a low-ranking member of the Qing Gang. He meets Su Yao, a woman who performs on the street, and she falls in love with him at first sight, deciding to follow him on his adventures.
