In the first year of Chongzhen, at the foot of Meishan Mountain. Modern history researcher Zhao Huan opened his eyes and became a laid-off eunuch at the bottom of the cleansing room. He was familiar with every massacre and every government decree in the late Ming Dynasty, but he was determined to stand by and just hope to survive. However, a casual comment on the military pay case was targeted by the young emperor Zhu Youjian. Cao Huachun, the admiral of the East Factory, has a hidden murderous intention, and Zhang Yan, the Queen of Yi'an, delivers a secret file. The life and death of Sun Chuanting, the governor of Shaanxi, hangs by a thread - everyone thinks that this silent little eunuch is a pawn, but when the knife that kills hundreds of officials falls, the hand of the knife holder has already been quietly grasped by an invisible hand.
