It started with a shy smile and a simple question, "Would you play a song for me?" The story of a sheltered violist and her unlikely friendship with a kindhearted delinquent.

She just wished she could go back to that time where she imagined he was Peter Pan and she was Wendy and they'd play for hours until the sun set.  Ever the cheerful optimist, Choi SooYoung clung onto the hope that she’d meet her best friend and first love again someday. But when the quiet Lee JongHyun enters her life, she realizes that it might be time to let go of her childhood dreams.