In the Yan Dynasty, the criminal and prison system was outdated, and the autopsy industry was despised. At that time, the government was in turmoil, unsolved cases occurred frequently, and strange cases among the people emerged one after another. There is a criminal prosecution department in the capital, and there are also criminal and prison offices in each state. However, the techniques of autopsy are mostly based on ancient methods, and unjust, false and wrong cases are endless. There are evil sects that use secret techniques to manipulate corpses hidden in the rivers and lakes, strange burial customs occasionally appear among alien races at the border, and poison masters are hidden deep in the palace. In this age of pre-science, behind every corpse there may be political intrigues, grievances or folk secrets, waiting for someone who can decipher the code of death.
