Gu Ra-ra is caught off guard by Sunwoo Jun with a memorable first encounter, just moments before her world comes crashing down.

Jun can't bring himself to leave Ra-ra's side when she leans on him for support; Cha Eun-seok is protective of Ra-ra, and grows curious about Jun.

Ra-ra starts again from scratch with the help of new neighbors; Jun looks out for Ra-ra day and night.

La La Piano Land opens its doors; Jun and Eun-seok compete for a spot in Ra-ra's heart and on her piano bench.

Jun slowly opens up to Ra-ra who embraces his sadness; Eun-seok is surprised to learn of Jun's true identity.

The traumatic incident behind Jun's secretive life is revealed; a mischievous salon customer joins La La Piano Land as an overzealous student.