At the engagement banquet held at the Old Shen Ji Noodle Shop, the Chen family makes things difficult for the Shen family at every turn. Just then, Shen Yu, the Shen family's eldest daughter who disappeared twenty-one years ago, returns disguised as a destitute woman. Faced with the Chen family's endless humiliation, Shen Yu's parents and younger sister, Shen Xiaoya, choose to protect her at all costs and break off Xiaoya's engagement to Chen Jianye. After confirming her family's genuine love, Shen Yu transforms into an fiercely protective sister who dotes on Xiaoya. With clever schemes, she helps her younger sister achieve a stunning transformation and joins forces with Lu Yan to resolve the crises. After enduring numerous hardships, the Shen family finally finds happiness and a perfect ending.