In a city where prosperity and crime intersect, genius detective Lin Yu relies on his extraordinary observation and reasoning skills to shuttle between complicated cases. From bizarre secret room murders to mysterious serial murders, there are unknown secrets and intricate relationships hidden behind every case. On the way to pursue the truth, Lin Yu not only had to face the obstruction of cunning criminals and dark forces, but also solved the mystery deep in his heart. As the investigation deepens, a huge conspiracy involving the entire city gradually emerges. Can Lin Yu find the truth amid the fog and bring the criminals to justice? This million-word masterpiece takes you on a thrilling detective journey.