Qin Weiguo was originally a person who lived in the 1970s and 1980s. He experienced turbulent times, and his parents were persecuted by traitors. As a descendant of the Red Army, he remembered his father's instructions on his deathbed to "serve the country." An unexpected opportunity brought him to 2030, more than 50 years later. He became a member of the team sent by the headquarters to investigate and deal with bad habits. He grew up step by step from the deputy county magistrate. As his position improved, he saw the other side of society. He was inspired to stay true to his original intention and bring these people to justice.