After her grandmother, with whom she depended on for mutual survival, passed away, four-year-old Su Tongtong became an orphan, but accidentally met the down-and-out tycoon heir Bo Yunxiao. Bo Yunxiao helped her handle her grandmother's funeral arrangements, while Tongtong used her superpower to help him clear his name of grievances and assist him in returning to the peak of his career. This pair of non-blood-related father and daughter became family who redeemed each other after going through adversities together. Unexpectedly, the top tycoon Su surnamed couple suddenly came knocking on the door, claiming that Tongtong was their biological daughter who had been separated from them for many years, and demanding to take her abroad immediately. The sharp Bo Yunxiao perceived that dark secrets were hidden behind the disappearance case of that year. Facing her birth parents with impure motives, and her adoptive father who loved her more than his own flesh and blood, what kind of choice would young Tongtong ultimately make?