If you could have only one thing in this world, what would it be? Sophia wants to sing more than anything, and in her world, she can choose anything she wants one day a year: her birthday. She decides to ask the Great Rock Faery to grant her wish on her special day, but the Faery is not there! As Sophia learns what happened to the Faery, time for her wish is running out, and she must decide which is most important of all.