He met her in the sunflower field and made an agreement, but she did not come at the agreed time. He continued to wait. The next day, "she" finally came, but "she" no longer remembered him. He fell in love with her, but found that "she" did not love him. He decided to give up and fly to South Korea. He met her there, but he decided that she was not her when she was a child. There "she" met another him...