An He, a top student at the University of Chinese Academy of Sciences, was set up thirty years ago and accidentally killed someone, landing in prison. After enduring twenty years of torment, he was released only to find his family destroyed. He eventually died from old injuries. Reborn on the night his kidney was stabbed, he draws on memories of his previous life and his hyperthymesia to kill his attacker in return and fabricate evidence. In prison and after his release, he uses his intelligence and past experience to navigate among competing forces. As his investigation deepens, he discovers that the case is tied to secret battlegrounds involving anti-narcotics and counterespionage operations. Facing a powerful conspiracy, he must contend with old physical injuries and psychological trauma while racing to uncover the truth amid a financial crisis and a wave of technological change. In the end, he clears his name and finds redemption, emerging from the depths into the light.
