Infernal Affairs II movie plot

The story begins when Chen Yongren and Liu Jianming pass by outside the gate of the police academy. In 1991, the Ni family was firmly in the leading position of the gang in Tsim Sha Tsui, Hong Kong, and the five leaders under its control controlled different areas. But the leader Ni Kun was suddenly shot to death. That night, with the exception of the newly promoted leader Han Chen, the other four leaders wanted to seize the position of the leader. Inspectors of the crime team, Huang Zhicheng (Anthony Perry) and Lu Qichang (Hu Jun) have also stepped up deployment of precautions, and all parties will fall into a state of imminent fire. The successor of the Ni family, Ni Yongxiao (Francis NG), is very deep and cruel, and with his own power, he can easily control the four leaders and become the new leader. This has caused the crime team inspector Huang to oppose Because of his vigilance, Chen Yongrenplayed bya student from the police school, was sent to cover up his expelled status and penetrated into Ni's family for a long-term undercover. On the other hand, Han Chen has already arranged for Liu Jianming (Illkid), his subordinate, to be admitted to the police department as his undercover agent in order to consolidate his forces. Five years later, Chen Yongren gained the trust of Ni Yongxiao and assumed important positions in the family. Liu Jianming also soared with the information provided to the police force Han Chen, and gradually fell in love with Han Chen's girlfriend Mary. After everything was stabilized, Ni Yongxiao decided to annihilate the top five bosses in one fell swoop, making his status as a leader worthy of his name. So overnight, the four bosses who had betrayed the Ni family were killed at the same time, and Han Chen was also attacked in Thailand. Even Mary and Lu Qichang did not escape this disaster. Huang Tong lost his friend, and Han Chen, who was determined to unite to come back out of the rivers and lakes, fought back against Ni Yongxiao, but he did not expect that Han Chen experienced a big change. He was no longer the original Han Chen. He was more scheming than Ni Yongxiao and difficult to control. Ni Yongxiao's forces were completely eliminated, and inspector Huang Zhicheng hung a portrait of Han Chen on the wall opposite him.