No system, no immortality, no time travel, just a pure mystery and suspense novel. In London's foggy city, private detective Winston is commissioned to investigate the disappearance of wealthy businessman Richard. The secret organization is revealed from the mysterious diary code. Winston is repeatedly in danger, and there are many mysteries in the pursuit. Can he break through obstacles, solve puzzles, uncover the veil of the organization, and find Richard? Suspense abounds and the truth is waiting for you to explore.