When technology and human nature collide, and classical mysteries intertwine with modern conspiracies, seven fatal mysteries that subvert cognition are quietly staged in the dark corners of the city. Forensic doctor Su Li wanders on the boundary between reality and reality. From the mysterious cloud of sleeping pills in the midnight secret room to the AI awakening declaration of the virtual idol, from the genetic closed loop in Blizzard Villa to the time and space scam in Jieyou Grocery Store, every case hides murderous intent across dimensions. The murderer used mathematical formulas as weapons, used biological genes to write codes, and even manipulated mirror refraction to fake the death scene, but the truth always tore apart the warm appearance when the countdown reached zero. This book combines escape room, character reasoning, science fiction ethics and classical conspiracy, laying out high-density reversal in neon city and cyber fantasy. Each independent case hides interactive clues. Readers can become detectives through the "five-minute entry" mechanism and solve the interlocking brain-burning puzzles in the ten minutes before going to bed. When the last biological code is unlocked, you will be shocked to realize that all the cases have been woven into a redemption scam spanning thirty years - and the real murderer has long been hidden in every choice you make when turning the page.
