During the Northern Song Dynasty, there was prosperity on the surface, but there were undercurrents inside and outside the court. Among the people, various strange cases occur frequently, and people's lives are affected to varying degrees. In the court, various forces were fighting openly and covertly, and some people with evil intentions tried to seek personal gain through conspiracy and even subvert the court. At the same time, there are various mysterious organizations in the world. They may do evil or have unknown purposes. They are inextricably linked to the cases of the court and the people.
