Infernal Affairs: Is Ceng Zhiwei a good man?

In Infernal Affairs, Ceng Zhiwei plays the gangster Chen Han. This man's setting is very cold-blooded, cruel and tyrannical. In this film, Liu Jianming is an undercover he arranged for the police. Chen Han promised that after working undercover for seven years, he would become a police trainee.

Despite his promise, he still attacked Liu Jianming, who wanted to be a good man, and kept monitoring his life. He was the leader of the gang and was shot dead by Liu Jianming. This character didn't appear for a long time, but it greatly promoted the main plot of the story. The existence of Chen Han is the main reason why Liu Jianming is doomed to be a bad person.