When the male protagonist woke up on the plane, he found that he had landed in an unfamiliar city. He looked around and saw that he was wearing a black mercenary uniform and holding a silver pistol. Beside him was a young man in a black suit. He looked a little tired, but he was still awake. The male protagonist did not know why he had landed in this city, but he felt that this was not a safe place. He began to look around, trying to find some clues. Suddenly, he heard a gunshot and saw a woman being kidnapped. The male protagonist immediately used his pistol to subdue the hijacker and rescue the woman. The male protagonist realized that the mercenary uniform and pistol he was wearing were provided by the woman. The woman told the male protagonist that he was a hired special forces soldier who was sent to the city to carry out some missions. The male protagonist began to follow the woman and gradually understood the story and secrets of this city. In this city, the male protagonist met all kinds of people, including some rich people, politicians, and some mysterious people. He also gradually discovered that this city seemed to be hiding many unknown secrets. In this process, the male protagonist gradually grew up and matured, gradually revealing the secrets of the city and fighting for his mission.