Three-and-a-half-year-old An Xiaxia finds her maternal grandfather, Lu Qin, president of the Lu Group, using nothing but an address. After a DNA test confirms her identity, the entire family dotes on her. Her uncle gives her a black card to spend at a toy store, while her older brothers pool their money to buy her an entire street of villas. In a hospital garden, she befriends a blind boy named Qin Zhe and later reveals an astonishing talent for playing the pipa at a shopping mall. At the family reunion banquet, her pipa performance captivates everyone. After regaining his sight, Qin Zhe composes music, becomes a student of Feng Liuli, and moves into the Lu family home. Xiaxia skips grades and enters primary school, where she unexpectedly encounters a teacher and He Yuyun, both of whom knew her mother. Later, she joins her fourth older brother, Lu Tiancheng, in the countryside to film a family variety show, accompanied by Qin Zhe and award-winning actor Xiao Yangze. Together, they share a heartwarming and adorable journey.