Rural realistic background from the early 21st century to the present. The story mainly takes place on a rural mountain road leading from Lingshuishui County to Qingshi Village. Main settings include the hillside intersection, Chen Xiangnan's small delivery truck, Qingshi Village Primary School, Lin Xiaochuan's home, the village entrance grocery store, the county toy store, the township cargo station, the village committee, the after-school waiting corner, and the mountain road lookout point.