In the 21st century, after his mother died of illness, the patriotic young man Lin Hu relied on his father to run his ancestral supermarket. A sudden accident caused him and the supermarket to travel through time on the Long March. Looking at the soldiers who were hungry and marching resolutely with bare feet, Lin Hu felt full of pity in his heart. He used the materials in the supermarket and the memories of the travelers to build a warm supply station for the soldiers on the Long March, making this arduous journey filled with a different kind of warmth.
