Sad Love Story is a love story about two men and one woman. Joon-young, played by Kwon Sang Woo, was raised by his mother who sold liquor to American soldiers. He meets the blind Hae-in, played by Kim Hee Sun and they became childhood sweethearts. Hae-in immigrated to the U.S. and meets Gun-woo, played by Yeon Jung Hoon, a friend of Joon-young. The story picks up again when composer Joon-young, singer Hae-In, and music producer Gun-woo all meet again.