In the late 1980s, Hong Kong was full of opportunities and dangers. Chen Rao, a veteran, traveled through time to replace the smuggled young man of the same name who died tragically, and crossed the single-plank bridge known as the Gate of Hell. His companion died tragically at the gunpoint, and he was caught in a desperate situation where Huang Zhicheng threatened to recruit him. He relied on his excellent skills to fight back and smashed the fate of the bottom class in Xiangjiang.