In his later years, security guard Chen Qingfeng passed away with regret for his girlfriend and obsession with nine thousand unsolved cases, and was reborn back to his youth in the 1980s. At the scene of Liu Fengying's murder, he relied on his future criminal investigation knowledge and experience to solve the unsolved case and protect his beloved Lu Wenting and his master. Since then, he has repeatedly solved strange cases, captured the two kings of Guandong alive, uncovered serial murderers, and recovered stolen national treasures. He broke the rules with his unique investigative thinking and continued to grow in dealing with villains. He counterattacked all the way from a county security officer to the provincial general administration, used justice to make up for the regrets of his previous life, and wrote a passionate criminal investigation legend.
