In the 1940s, young Qiu Zihong wished to achieve great things, so he went to Shanghai to develop his career. In Shanghai, he met Jun and Chuan, and later went to his fellow townsmen, the Yong siblings, to make plans. The Axe Gang's Jin Jiu had a conflict with the singing star Li and Big Brother Du, and Jin He Gang's leader Jiang also got involved. In the end, Du was killed. Police chief Kang introduced Hong to Jiang's casino, and due to his good performance, he managed to outsmart Jin and was further promoted. After Chuan was killed, Kang assisted Hong in killing Jin, but this worsened the relationship between Jiang and Hong, who then wanted to kill Yong and Hong, but was instead killed by Yong. Jiang's subordinate Yuan Wu vowed to kill Hong and Yong. Behind these vendettas was Kang's long-standing plot to dominate Shanghai. In the end, Yong and his remaining associates were all killed, and only Hong escaped. Hong was aware of everything Kang had done, so he vowed to kill Kang and avenge Yong. After enduring numerous bloody trials, he realized that dominating this society of infighting and survival of the fittest was not an easy task, but by then, it was too late to withdraw...