In the winter of 2002, the Xuecheng City Public Security Bureau received a report that a murder case had occurred in the city's Bishuijiayuan Community.Criminal police captain Peng Zhaolin immediately led the team to the scene.After visiting and questioning the residents of the unit where the incident occurred, Peng Zhaolin keenly found the scene of the crime - Room 402.

There were traces of the crime and some evidence left in the room, but no trace of the criminals was found.Peng Zhaolin was keenly aware that the long-haired man who had just passed him on the stairs of the unit where the Bishui Home incident occurred might be the suspect.He immediately notified the city's traffic police department to block the highway out of the city.At the same time, a gang of four including Deng Ligang was driving out of the city.

After being stopped at the highway entrance, the four people planned to fight to the death.Unexpectedly, there was a scratch at the highway entrance, and Deng and the other three were able to escape.Through the landlord of Bishui Homes 402, the police found out that the tenant’s name was Li Jianfeng.Peng Zhaolin found the renter and learned that his ID card had been lost and his identity had been used fraudulently.Peng Zhaolin led the police officers to return to the 402 scene several times to investigate, and found two fingerprints left at the scene and a hidden driver's license of a man named Shi Bi%.After investigation, it was found that Shi Bi was a native of Xuecheng. He once worked as an assistant engineer in a factory. After resigning, he went into business. His whereabouts are still unknown.