Former medical examiner Shen Zhao, who was labeled as mentally ill, showed twelve autopsy notes, each of which pointed to a buried murder. Reporter Lin Suqiu accidentally came across the truth, but found that her mother's disappearance was hidden in the third volume. When the diagnosis report of Zhou Zhiyu, director of the psychiatry department, and the tampered report by Chen Mu changed at the same time, the hacker Bai Yan began to control the public opinion of the entire network - the twelve notebooks are both a testimony of death and a trap of survival. They are not solving crimes, they are tearing apart the rotten bones of the entire city.
