Fall in love with the enchanting tale of Deemo, a mysterious, lonely character who lives in solitude, playing the piano in a castle. One day a girl who has lost her memory falls from the sky. Wanting to help her recover her memories and return to her world, Deemo discovers that a tree kept atop the piano will grow whenever the piano is played. But if Deemo succeeds in helping her, will the loss of her companionship prove to be too much?