In the middle of the night, a young man named chen ke is wandering aimlessly through the streets of Shanghai. He has come to buy some vegetables from a local market place. . The young man, named qianxi, tries to sell him some vegetables, but the young man is not willing to buy them at a good price. When the boy tries to buy meat from a nearby chain store, the thief steals the boy's bag. The boy is furious and throws the bag into the street. He begs the boy to take the bag with him to the market place, where he can buy vegetables at a better price.