The Growth System originally intended to help its little host, Ji Zhizhi, grow and improve. Unexpectedly, its host turns out to be an adorable, innocent two-and-a-half-year-old toddler. Through a series of accidental encounters, she enters the Ji family's household, throwing the stern CEO father and her teenage brothers completely off their usual course. With her innocent and cheerful nature, the little girl turns the Ji family's everyday life upside down while filling it with warmth. The entire family spoils her like a precious treasure, bringing us one hilarious and heartwarming family moment after another.