In 2025, Qin Yifan (male protagonist), a doctoral student majoring in outer space research, accidentally traveled to the outskirts of Xianyang, where Qin Chaogang was just established, because his lovelorn mood affected the data he was conducting on the research project. The male protagonist Qin Yifan uses his modern knowledge of history, science, etc., Experiences historical time, and is familiar with ancient life to understand time travel, show his abilities, participate in and influence the major events after the founding of the Qin Dynasty to the unification of the six countries. At the same time, the male protagonist gradually understands the East The four confidantees Xinwan, Cheng Shuangshuang, Nie Wanwan and Li Sisi went through ups and downs along the way, constantly looking for a way back to modern times. Finally, after assisting the dynasty to unify the six kingdoms and becoming princes and generals, they chose to hide out in Taoyuan and live a leisure farming life with the four beauties.
