在幽暗的红灯区中，一个警察被暗杀，引发警方的高层对这里秘密集聚的异常黑手的掌握。刘帮办找到了与江湖有关的卧底——周润发饰演的高秋。他需要高秋尽快 penetrating into the underworld， uncover their sinister plans。 disguising as a gun smuggler, high autumn made contact with the gang's boss, southern dog, and his henchman tiger (played by Li Xiu Xian)。 Unbeknownst to them, Liu's Helper secretly dispatched someone to tail high autumn. However, this unexpected surveillance turns out to be a blessing in disguise as it allows high autumn to win the trust of the gang. southern dog eventually recruits high autumn to join his robbery ring targeting the gold warehouse。 In the course of interaction with tiger, high autumn finds himself developing a deep bond with him. Caught between brotherhood and societal justice, how will high autumn decide? This gripping tale of honor, loyalty, and duty takes you on an edge-of-your-seat adventure through the treacherous underworld of Shanghai in the 1920s.
