Jaeha and his father flee to their home island to escape their debts. Jaeha’s father leaves on a trip and entrusts his son to a friend. Believing he has been abandoned, the boy decides to save money so he can return home, but he changes his mind when he meets Eunyoung, the daughter of his father’s friend. Eunyoung is a sick girl and, because of this, has never been able to make friends. A strong bond forms between the two, but due to an accident, they are forced to part ways. Yet fate will bring them back together 15 years later…