In the 1980s, on the day of Qiao Suisui's engagement, her younger sister snatched her fiancé, forcing her to take her place in a marriage down in the countryside. Everyone waited to make a joke of it, little knowing that the tough transport man she married, Gu Yuanshan, was none of other than the person who saved her on the street. The heaven-sent cute mouse Nomi tipped her off at the critical moment, helping her see through schemes and outwit toxic relatives. She heals illnesses, manages the household, and builds her career, making her days thriving and prosperous.