Jun-sang transfers to You-jin's school, and they quickly become friends sharing their similar backgrounds of growing up under a single mother.

Jun-Sang moves to a small town in the country and meets Yoo-Jin in the local high school. They fall in love, but Jun-Sang faces a terrible tragedy and gets killed in a car accident. Ten years later, Yoo-Jin meets a guy who looks just like her Jun-Sang. Yoo-Jin has to choose between her current boyfriend and a person who reminds her of her dead sweetheart.—Sung-hwan Hong