17-year-old top high school student Li Jinjin accidentally returned to the teenage years of her underachiever mother Li Qingtong, where she met her scumbag father whom she had never met before and her deceased grandparents. With a sudden inspiration, she quickly integrated into her mother's circle of friends, tearing apart her scumbag and crazily matching up with Wu Zhixun. Determined to "let my father go and not my mother," she embarked on a hilarious journey of changing fathers.