Xiao Han returned to Shanghai after graduation and became a programmer for a company, and on his thirty-fifth birthday, he received the news of his grandmother's death. On the way home, his mother told him that his grandmother had adopted an eight-year-old girl and wanted him to find a welfare home. When he returned home, Xiao Han saw that the front of his grandmother's mourning hall was full of noisy bear children, and only a little girl hid behind the mourning hall, holding her grandmother's portrait and secretly wiping her tears. At that moment, Xiao Han's heart was touched, and despite the opposition of his relatives, he resolutely took the little girl back home. Since then, a prosperous city, two ordinary lives, began their warm cohabitation life.