In the 1960s and 1970s of Hong Kong, the police and gangsters collaborate, corruption is rampant, and there is a lot of social resentment. At this time, Xu Le (By Wang Haoxin), who is kind and straightforward, drops out of school to join the police because of his poor family. He puts on his uniform and becomes the most common policeman. However, he is expelled and demoted to the Shangshui Police Station for solving a robbery and offending the nephew of Inspector Long (By Li Zixiong). When dealing with an accident, he helps and gets to know the rich girl Bai Zhenni (By Xu Dongdong), who loves Xu Le at first sight....