Data City-State

With "Technology for Good" as the main line, it tells the story of a former criminal policeman turned security consultant for a technology company, who uses the smart bracelet big data and monitoring system developed by the company to assist the police in detecting a series of "perfect crimes." But he gradually discovered that the behind-the-scenes of all cases pointed to the same person - a mysterious hacker who was good at exploiting vulnerabilities in modern technology and called himself a "social cleaner." This hacker specializes in targeting "bad guys" who are wandering on the edge of the law and escaping sanctions to create the illusion of accidents