New transfer student Chan-young bumps into Ha-young on his first day of school- and it's love at first sight. At the recommendation of his homeroom teacher, he joins the band club. And, perhaps it's destiny? Ha-young turns out to be the singer of the club's band. Can he stop acting awkward in front of his newfound crush?

The now adult Chan-young encounters Ha-young, and he begins to reminisce about the  past. Meanwhile, the younger Chan-young from the past finds himself getting closer to Ha-young as he shares a personal secret.

The school club's band "Neon Paprika" all leave for training camp. Ha-young finally confesses to her friend that she likes someone. Who can it be?

Ji-hoon starts getting jealous when he sees Ha-young getting closer to Chan-young, and things start getting a little heated among the "Neon Paprika" members. To make things more complicated, Ji-hoon confesses to Ha-young.

Finally, Chan-young decides to make things right by resolving a misunderstanding of the past. How will Ha-young react? Is there still a chance between them?