Jiang Ran travels through a parallel world, binds a Myriad Dynasties Travel System, receives ancient figures crossing over every week, and leads a team to start a modern one-day tour. The first batch of group members are the youths Han Xin, Liu Shan, Li Lizhi, and Li Qingzhao. From the first meeting in a rented room, touring hospitals, shopping malls, hot pot restaurants, science museums, and Wuhou Shrine. Historical figures of the ages witness the civilization of rivers and mountains of later generations with their own eyes, seeing the power of science. They return to ancient times with photos, potatoes, and ancient books, quietly turning the trajectory of history. Hilarious daily life intertwined with national sentiment, when the ancients whose endings were fixed by history books encounter the modern prosperous era, the crack of fate opens right there.