In the fifth year of Yuanfeng in the Northern Song Dynasty, Bianliang, Tokyo. A butterfly flew across the Royal Street and landed on a "Yuanyou Party Membership Monument" engraved with accusations. As the butterfly fluttered its wings, a bloody storm sweeping the government and the public was quietly beginning.
Shen Zhou, a small bookseller from Hangzhou, runs a "Zhouji Bookstore" on Taixue Street. He spent five years secretly compiling a contemporary history, "Xuzizhi Tongjian Changbian", in an attempt to record the truest pulse of this era. However, he didn't know that he had already been secretly watched - every court file, every newspaper, and every private note he collected had been deliberately let him see by others.
One rainy night, Zhou Jing, the left-leaning admonishment official of the day, was kidnapped from his home by the Imperial City Secretary on the charge of "Yuan You traitor to the party." Zhou Jing was once kind to Shen Zhou, and Shen Zhou was determined to save people, but he was inadvertently involved in a shocking mystery that spanned forty years.
Zhao Bai, a descendant of the clan, suddenly appeared, showed the Privy Council spy card, and told Shen Zhou: During the Beizhou Mutiny 40 years ago, a map showing the detailed layout of the palace fell into the hands of the rebels, and the case remains unsolved. And on that map, there is a secret that could shake the foundation of the Song Dynasty——
A certain prince of Song Renzong was not his biological son.
The map maker's surname was Shen, who was Shen Zhou's great-grandfather. Shen Zhou's father, an anonymous old fisherman, was an undercover spy of the Privy Council during his lifetime. Shen Zhou's brother Shen An, who has been separated for eight years, is currently lingering beside his younger brother as a court spy. It is difficult to distinguish between friend and foe.
Su Song, Cai Que, Zeng Bu, Fan Chunren - these belong to the old and new parties,
