In the 1930s, old Shanghai is a dazzling, chaotic world. The chambers of commerce remain locked in constant rivalry. Newly arrived Xu Wenqiang happens to meet Feng Chengcheng, beloved daughter of Feng Jingyao, the most powerful tycoon among Shanghai's chambers of commerce. The stubborn and beautiful Feng Chengcheng bears a striking resemblance to Xu Wenqiang's old love, Fang Yanyun, who is now Shanghai's most celebrated socialite. Xu Wenqiang and Ding Li, who grew up in the poor neighborhoods of Zhabei, unwittingly save Feng Chengcheng, and the two men become sworn brothers. With Fang Yanyun's help, they earn Feng Jingyao's favor and decide to make their names in Shanghai. Both Xu Wenqiang and Ding Li fall for Feng Chengcheng at first sight, setting the three of them on a tangled journey of love. But after enduring countless hardships, Xu Wenqiang returns home to find his entire family dead. Determined to avenge their deaths, he returns to Shanghai. Set in 1930s Shanghai, amid domestic and foreign crises and ceaseless rivalries between the chambers of commerce, this is a story of love and feuds among the city's underworld figures.