A Story Told by a Self-Proclaimed Time Traveler

This is a story told by a mysterious old man who claims to have traveled from a hundred years later. It was an era of post-war revival. Humanity experienced unprecedented unity after experiencing a major reshuffle of the world structure. Scientific civilization developed to unprecedented new heights. Human society was supposed to be about to usher in an unprecedented heyday, but... The story begins with a seemingly ordinary robbery and murder case. The deceased was Qin Yu, a leading young scholar in the field of nuclear physics. He was a close friend of the protagonist Long You. As an alliance criminal police officer, Long You was keenly aware that this murder case was by no means as simple as it seemed. And as he investigated in depth, He discovered that Qin Yu's death was likely related to his research. A total of three people, including Qin Yu, participated in the research back then, and another research participant died during Long You's secret investigation of the case. At this time, the direction of the investigation pointed to the last person who had participated in the research but whose whereabouts were unknown. In order to find the last person and solve the mystery of the death of his best friend, Long You asked the top management to restart the plan that almost sacrificed all his brothers and executed it himself. Is the truth he is looking for what he expects? This is a story about an unequal game between chess pieces and chess players. Can the chess pieces finally discover the truth, understand the overall situation, and successfully break the game? Stay tuned.