In the world of 2035, AI engineer Lao Luo is terminally ill. As a single father, he faces a serious problem with caring for his ten-year-old daughter, Luo Mengmeng. With no other choice, Lao Luo transfers guardianship to his household assistant, an AI robot named Tianhao. From then on, how will Tianhao help its ward, Luo Mengmeng, grow up?
