Winter Sonata (2002)

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.