Xia Xiaoxiang rescues Marshal Lou and moves into the Marshal's mansion with her three-year-old daughter, Maomao. Soft and cuddly, Maomao naturally wins everyone's affection, healing the autistic and disabled Fourth Young Master, and even capturing the heart of the rigid Old Madam. With four older brothers vying to dote on her, the once-tumultuous Marshal's mansion finds harmony, peace, and boundless prosperity thanks to this picked-up little darling.