17-year-old academic high school student Li Jinjin (Zhuang Dufei) accidentally returns to his teenage years as a schoolgirl, his mother Li Qingtong (Chen Haoyu), and meets the scumbag father (Wang Hao) whom he has never met and the deceased grandfather in 4D color (Jia Bing) and grandma (Niu Li). With an inspiration, she integrated into her mother's circle of friends in minutes, tearing apart her father and madly matching Crush Wu Zhixun (Bi Wenjun). After making up her mind that "my father will let me not let me let my mother", she embarked on a ridiculously unpredictable way to change his father...
