It tells the story of the returning youth Lin Xi running a rural small shop, encountering a crisis of rumors about product adulteration. She did not impulsively refute, but united with her mother Zhou Guilan, villager Aunt Wu, and others, step by step verifying the truth following the evidence. The story does not pursue dramatic revenge, but focuses on ordinary people's persistence in the face of misunderstanding, showing the sincerity in rural fireworks, responsibility, and the warmth of mutual support among people.