High school student Che Eun-sang (Park Shin-hye) is a workaholic. She depends on her single mother, and they lead a bleak life. She is a true "poor heiress." Kim Tan (Lee Min-ho) is the heir to Empire Group, one of South Korea's leading conglomerates. Handsome and born into a prominent family, he has everything, yet he is an illegitimate son and a thorn in the side of his half-brother, who has "exiled" him to study in the United States. Eun-sang travels alone to America to find her sister, only to discover that her sister's glamorous life is all a lie. Just as her dreams are falling apart, she unexpectedly meets Kim Tan. After a series of comical mishaps, Kim Tan takes the homeless
