The door god who guards Mr. Di and Bao Qingtian specializes in digging into old cases that no one dares to touch. When the client came to the door with a large sum of money to find his father who had been missing for fifteen years, Lu Yu did not expect that the missing person case would involve a series of fatal mysteries.
The old news about Hanhai Heavy Industry contains memories that smell like rust, running water that doesn't match up, ashes in the incinerator, and obsessions that span fifteen years. The founder disappeared, and old friends died suddenly one after another. Only one person rose against the trend and became a business giant that no one dared to mess with. A cowhide book, an abnormal "suicide" scene, and the remnants of an abandoned factory, the clues seemed to have been deliberately connected, leading Lu Yu to go deeper step by step, but he encountered dead ends at every turn.
Dark shadows follow each other like a shadow, and it is difficult to tell the truth from the lies of the people around you. Every time a layer of lies is peeled away, deeper secrets are involved. This seemingly simple search has long been intertwined with company secrets and inexplicable fires fifteen years ago. What is the person at the top hiding? Is the whereabouts of the missing persons hidden in these bloody pasts?