After the fall of the Qing Dynasty and the early years of the Republic of China, there were many gangs and the people were in dire straits. The major gangs in Dongping City fought with each other. The homeless man Gao Tianrang accidentally joined the Port Dock Gang and became a member of the Port Dock Gang. From then on, he started the road to unify the gangs. With his own efforts and his intelligence, Gao Tianrang unified the major gangs and became the king of all gangs. In the process of unifying the gangs, Gao Tianrang overcame various difficulties and allowed the people of Dongping City to live a peaceful life.