电影《无间道I》中,刘德华饰演的刘建明本是黑社会的一名小弟,受黑帮老大派遣打入警局做卧底。凭着老大提供的对立派的情报和自身出众的才干,他屡建奇功,即将升职到见习督察的位置,同时也萌生了摆脱自己混乱身份的念头。在一次行动中,他巧妙地除去了控制自己的老大。后来,黑帮 In the film “Infernal Affairs I,” Liu Deming, who played as a younger brother of the triad society, was sent by the gang boss into the police station to do undercover. With the intelligence of the opposing factions provided by the boss and his outstanding talents, he has repeatedly made extraordinary contributions and will soon be promoted to the positions of inspectors and inspectors. At the same time, he also has the idea of ​​getting rid of his chaotic identities. In one action, he skillfully removed the boss who controlled himself. Later, the gangsters