Eighteen-year-old Yu Jin is leading a harsh life in many ways. Nothing seems to be smooth for her, including family relationships, family circumstances, or even friendship. Yu Jin is like a desert island, away from the world. However, Yu Jin finds herself falling in love, but then discovers she is part of a love triangle. She has feelings for a college student older than her, but at the same time, a young man with whom she works part time falls in love with Yu Jin. Yu Jin′s feelings come and go between the two men.