The film tells about the rural areas of North China in the early 1980s. On the early winter morning, Grandpa picked up a cloth bag full of money on the road of collecting firewood. After the cloth bag was claimed, Grandpa discovered that the owner had another person. In order to fulfill the promise of repaying the debts, the grandfather began to go to the village to find the person who cheated the money day after day. After all the hardships, he finally found the story of the wallet returned to the original owner.