Truck driver Li Dashan is on the road with his daughter, Tangtang, driving a fully loaded semi-trailer when they unexpectedly travel through time to an ancient frontier pass. At first, the locals are wary of him and his iron vehicle. But with his driving and farming skills, he uses modern agricultural machinery to help everyone reclaim wasteland, grow crops, and solve supply shortages, turning barren slopes into fertile fields. Clever Tangtang provides invaluable help throughout, while he and the female general Shen Qingge work side by side to build a prosperous life. Together, father and daughter make a thriving life for themselves in this unfamiliar land.