Wang Jinghua, who sells vegetables at the farmers' market, is enthusiastic and honest in her business. All her hopes in life are on her 15-year-old son Xia Xiaoyu. Xia Xiaoyu loves music and has formed a youth band with several classmates. Wang Jinghua thinks this is not doing his job properly, which leads to conflicts and estrangement between mother and son. At this time, a sudden disaster befell the family.