In order to buy seeds for her beautiful garden, Arietta plans to sell her treasured family violin. Then music-loving Princess Cassia spots Arietta with the instrument and excitedly asks her to perform at her upcoming birthday party. What the Princess doesn’t realize is, Arietta can’t play! Too ashamed to tell Cassia the truth, Arietta sets out to learn a special song for the occasion. But as Arietta’s musical passion blossoms, her devotion to her garden fades . . . and her trees and flowers begin to die. Will she be able to master the tune in time for Cassia’s celebration—and save the garden, too?