Four-year-old Nuonuo is smart and kind, skilled at identifying ingredients and remembering tastes. In a snowstorm, a bowl of her radish soup makes Gu Yuan recall his family's craft, and also brings out clues to his own background. Nuonuo also brings Ahua, Daju, and the myna bird Xiaohei to the capital to find her relatives, starting from a street stall and gradually setting up a warm small restaurant. Facing skepticism and operational difficulties, she insists on using fresh ingredients and selling affordable dishes, winning the recognition of the neighbors through wisdom, hard work, and the help of her partners. Gu Yuan investigates and clarifies the past, reuniting with his daughter. Finding her home, Nuonuo continues to learn and grow, turning the care she once received into bowls of hot food, warming more people.