The protagonist Shen Su, the last prince of the previous dynasty, faked his death and escaped during a palace coup, and returned to the old capital ten years later as a storyteller. On the surface, he tells anecdotes from the previous dynasty, but secretly connects with the old department to investigate the truth of the year. The current emperor was the one who forced him into the palace, and the truth Shen Su discovered was far more horrifying than "usurping the throne" - behind it was a genocide that had been wiped out at the beginning of the founding of the country. You need to write about: the tension of wits in the confrontation of power and intrigue, the sense of suspense as the truth is revealed layer by layer, the complex stance of the old ministers, and the arc of growth from the "obsession to restore the country" to "justifying history." The style refers to the restrained beauty of "Crane Huating" and the layout rhythm of "Nirvana in Fire".