Zhou Xiaoyun shops for groceries and cooks after work, charging roommates only ten yuan each. New roommate Xu Dandan thinks it's too expensive, boasting eight yuan a meal with meat included, yet she uses the meat bought by Xiaoyun; a few days later, she wants to raise the meal money to twelve yuan. The roommates buy groceries and wash pots themselves, finally understanding that Xiaoyun's contribution goes far beyond grocery money. The two accept a team leader evaluation at the property service station at the same time, six light meals on the open day are delivered wrongly, and resident repair requests are still awaiting results. They clear up the problems face-to-face and handle them item by item. Dandan learns to take responsibility for her promises, Xiaoyun becomes team leader, and she also moves into her own small room. A meal lets a house of people recalculate money, contribution, and boundaries.