Lin Fusu, a well-known history professor at a certain university, and his student He Tian traveled to the Qin Dynasty due to an accident. Lin Fusu's soul passed through the body of the young master Fusu, but He Tian was missing... Lin Fusu knew the fate of the young master Fusu but still chose to go with the long river of history. When Lin Fusu was demoted to the Great Wall, traces of He Tian were discovered...
Mission: History must not be tampered with