After twenty years as a full-time homemaker, Su Mei has worked herself into a persistent back injury caring for her large family. When they cannot even understand why she wants to spend 18.8 yuan on a box of pain-relief patches, she resolves to divorce, even if it means leaving with nothing. Afterward, she meets entrepreneur Zheng Mingyuan by chance. Using her cooking skills, she starts a wonton stall and grows it into a chain of shops, while finding comfort and love later in life.