Disconnected and Undercover? Then One Person Can Correct the Gangsters

Previously, he was an undercover agent who did not exist in the files. Now, he is the new king of the underground world, Zhen Qiang. One hand is the underworld, and the other is business. After the death of Officer Li, the only one who had control of Zhen Qiang's files, he became an undercover agent who was disconnected. Under the difficult choice, he decided to correct the entire gang alone and move towards the right path.