Four friends, Jisoo, Junseong, Yunsu, and Heechul, are active in an indie rock band. Jisoo, who plays the role of a vocalist, sings well but doesn't work hard. He does not keep practice time every day and has an impulsive personality. Looking at Jisoo who is insincere in practice, the other 3 decide to find a new vocalist. Can we find someone who sings as well as Jisoo?

Set against the glittering backdrop of Seoul, ‘Love Story: Fragments’ intertwines three touching love stories that converge on a single, unforgettable summer night. Yon and Chung Myeong take the delicate first steps of their relationship, while Choo Yon and Kim face the challenges of jealousy that threaten their bond. Meanwhile, Mimì and DonYul grapple with the pain of a final farewell.