Yuwen Duling, a modern man, traveled back to ancient times to conduct real historical research through the time and space integrated instrument. He accidentally entered the late Qing Dynasty and became the brother-in-law and staff of the first minister Li Hongzhang. From then on, he personally participated in scenes of officialdom battles, tragic wars, exotic romances... All the narratives are based on real people and true events, and there are more touching love and hate, goddesses and boys, past lives and this life...