Who is he? first episode

Who is he? The plot of the first season:

1988, there were many serial murders in Ningjiang city. The victims were all young women, who had been violated before they died. Fatal wounds are a sharp weapon to cut their throats. Combined with the similarity of these cases, the murderer likes to commit crimes in remote places near residential areas or mines, and the time is chosen before rainy nights or heavy rains to cover up the traces of committing crimes.

But at present, the effective information that the police can grasp is that the murderer is suspected to be left-handed, cruel and skillful, which makes people in the city panic. Wei came to the police force and faced such a big case.

The police investigation almost made a joke, but fortunately it was maintained by my brother Chen. However, both of them are workers in the motor factory, and they are inevitably laughed at by some police colleagues. Naturally, they finally became "two heroes of the security department".

The plot of the TV series "Who Is He":

1988, Wei (Zhang Yi), a criminal policeman, witnessed the sacrifice of his comrades in the pursuit of serial killings, but the murderer escaped and became a great worry to Wei. Eight years later, a shocking case of dismemberment occurred in Ningjiang City, and Wei has grown into a mature criminal police captain.

In the process of leading the investigation, he cracked many related cases in succession, but the case of dismemberment was always full of doubts, and many clues were related to the serial murder case eight years ago. These discoveries inspired Wei, but they also became obstacles to his later judgment.