"Choi Dal-bu (played by Lee Jong-suk) is a taxi driver. Every day, he rushes to every corner of the city, working hard to make money for his niece Choi In-ha (played by Park Shin-hye) to study. Although Cui Inha is Cui Dabu's "niece", the two are not related by blood, and they are even almost the same age. It turns out that Cui..."