"On the night when the associate professor of the Department of History committed suicide by hanging from a beam, Su Yanqiu stared at the half-page fragment of "Nandu Fengwu Zhi" clutched in the white silk on the beam - when the original owner was framed as having "liaison with the vassal king" and the house was ransacked, she was still sorting out the Jiajing Dynasty memorials in the modern library; now she is stepping on the slippery bluestone of the embroidery workshop to clean the toilet. , But can recite seventeen loopholes in Yan Dang's transportation of grain to the Xuanfu this year. When modern philology collides with the Jiajing conspiracy, and when statistics calculate the specific number of corruption in grain roads, who dares to say that the daughter of a guilty official can only die unjustly? Let's see how she used the embroidery needle as the blade and the historical mirror as the spear to become a female history writer! "