Still 17

Gong Wu-jin, 17, works up the courage to speak to his school crush, but their chat inadvertently puts her in harm's way -- and into a 13-year coma.

Wu Seo-ri searches for her relatives, but the neighborhood has changed. Then she recalls something that might still be where she left it 13 years ago.

After learning that her violin needs expensive repairs, Seo-ri tries to find a job, but it isn't easy. Yu Chan gets Seo-ri to open up about her past.

When Seo-ri blames Wu-jin for causing her to lose sight of her uncle, old feelings of guilt resurface inside him, leading him to move out.

Chan develops a crush on someone. Seo-ri makes a familiar gesture that triggers flashbacks in Wu-jin, who seeks out his former psychiatrist for help.

Wu-jin tries to avoid Seo-ri, who drinks alcohol for the first time with her new co-workers and is introduced to concert violinist Kim Tae-rin.

When a client tries to take advantage of Seo-ri's naïveté, Wu-jin comes to her rescue -- and gets drunk as a result. Jennifer recalls her painful past.

Seo-ri travels with Wu-jin to a workshop, where she's overheard playing the violin. Later, she and Wu-jin open up to each other about their pasts.

Wu-jin's sister makes an assumption that Seo-ri is forced to play along with. Jennifer meets with the mystery woman. Chan finds a worrying photo.

Seo-ri gets an unexpected invitation, but agonizes over whether to accept it. A remark Seo-ri makes about "seeing music" gives Wu-jin a design idea.