Yu Chang'an, associate professor of the Department of History, accidentally traveled back in time to the second year of Zhonghe reign of Emperor Xizong of the Tang Dynasty when he was inspecting the site of the Huangchao Uprising. He became a down-and-out scholar with the same name. He picked up a beggar A Chou who was suspected to be a princess of the previous dynasty. In the turbulent late Tang Dynasty, whether it was to save the building from collapse, to support the building from collapse, or to be a treason and traitor, and to wear the yellow robe, where will I go...