You are being watched and the United Nations has a secret system. A machine that monitors you every moment, a machine that was originally designed to detect terrorist acts, has seen everything. Violent crimes involving ordinary people, which the Security Council considered irrelevant, but the Secretary-General decided to intervene. So he used the system to create a group of people who had the ability to intervene. In order for the machine not to be detected, these people can only act secretly. You'll never find them. But whether you're the victim or the perpetrator, as long as your number is listed, they will find you.
Inspired by the American TV series "Person of Interest" (POI). The settings and routes will be subtly the same, but the author doesn't have such good writing skills to write the protagonists like Mr. Zhai and Li Si, so the character attributes are different. Of course, what I hope most is not to compare it with the original work. Because the author just wrote it blindly...
It may involve homosexuality and the like. If you are intolerant of this, please enter with caution!