Once Upon a Time's heroes have dreams

During the Tongzhi period of the Qing Dynasty, the ancient empire was about to die, and the Pearl River Estuary in Guangzhou, an important treaty port, was bathed in the final prosperity and bloody struggle. On the docks, the Black Tiger Gang and the Beihai Gang are committing crimes and killing constantly, while the low-level workers are bullied and in danger. Ah Fei Huang Feihong (played by Peng Yuyan), who has been practicing martial arts since childhood, has been in the Black Tiger Gang for five or six years, and he has obtained the head of the Beihai gang leader as a dead soldier, so he was accepted as the fourth righteous son by the boss of the Black Tiger Gang, Lei Gong (played by Sammo Hung). Lei Gong is ruthless, and there are three femme fatales under his command to help him abuse, and he does not hesitate to force good people to become prostitutes in order to make money, and he cares about people's lives. Ah Fei quickly became a fierce tiger in the Black Tiger Gang with his strong martial arts, but he seems to be hiding an ulterior secret outside of killing.　　On the other hand, the children whose father and brother were sold overseas by the Black Tiger Gang and had no support formed an orphan gang under the call of Chihuo (played by Jing Boran), Ah Chun (played by Wang Luodan) and others, and they are trying to take revenge on the Black Tiger Gang, which has a deep blood feud......