She is a poor child, he is a rich child. They met for the first time in the snow when they were 15 years old, they met for the second time under the cherry blossoms when they were 17 years old, and they met for the third time in bed when they were 24 years old. They signed a contract for various reasons. After all the twists and turns, the two finally became lovers~ But the boy didn't know that all this was carefully planned by the girl, but the girl never imagined that she would fall under the boy's affection and care. Two years later, the girl was going to the United States... The boy was reluctant to let the girl go and was sad, but he still let him go... Because the girl didn't want to harm him again. A year later, the boy went to the United States and heard that the girl's family had all died... So he had to return to Korea to sort out his thoughts. . . . .