Pastry chef Su Qing is hired by five-year-old boy Gu Yangyang with ten yuan to be his temporary mother and attend a kindergarten parent-child event. Using her professional skills, she leads Yangyang to win the baking competition championship, and also gets to know Yangyang's guardian, Gu Group President Gu Yanchen. Initially misunderstanding Su Qing as having ulterior motives, Gu Yanchen discovers that she is the benefactor who risked her life to save him in a car accident twelve years ago and whom he has been searching for bitterly for years. Su Qing resolves elite family's harassment and business war plots with kindness and strength, and uncovers the truth that Yangyang is the orphan of Gu Yanchen's late elder brother. Eventually, Gu Yanchen's marriage proposal succeeds, Su Qing becomes Yangyang's real mother, and the family of three reaps complete happiness.