The novel tells the story of Song Yang, the last coroner in China, who uses the autopsy technique that has been passed down for 3,000 years to solve many strange cases. Strange cases happen every day in this world, such as a steamed bun shop using human flesh as stuffing, blood flowing on the walls of a mansion, a university beauty taking someone away on her death anniversary, and the legend of zombie babies in the hospital. The work deciphers serial killers, s*x addicts, vampires, n*********a, people with demonic eyes, and strange cases in the Public Security Bureau.