In Luoyang, Di Renjie investigates the wrongful case against the Yun family, which Lai Junchen is handling. But the key figures, Shopkeeper Lin and Mrs. Lin, are murdered one after the other. The case grows ever more baffling, while mysterious forces stir behind the scenes. A murder occurs at a general store, the mystery surrounding Mrs. Lin’s death deepens, and Wu Lai’s testimony is riddled with inconsistencies. Di Renjie faces Empress Wu Zetian’s questioning at court without the slightest fear. He pieces together the clues and deals with all sides as he searches for the truth through layers of mystery. Thus begins a thrilling investigation. How will it all end?