In the 1930s, Shanghai was full of gangs and divided by the powers. To make a name for yourself here, in addition to being strong, you had to be more ruthless than others. As a result, this place became a paradise for adventurers and a gathering place for opportunities and success. Ren Hongfei (played by Julian Cheung) and Long Wu (played by Shao Zhongheng) were both orphans whose parents died at a young age. The two helpless children became sworn brothers, helping each other through the difficult years of growing up, and they finally grew up. Although they were born in the lower class, they both had a common dream, which was to make a name for themselves in Shanghai. So they decided to make a name for themselves with their fists. They began their days of licking blood on the blade, and after a series of fierce battles, the two finally approached their goal step by step...