Normally friendly and cheerful Eliza Westfield has recently turned bad-tempered and thirteen. Suddenly the things she wants most, like a role in the school musical, seem hopelessly out of reach. When tryouts are announced, she cannot bring herself to sign up. Her best friend Lucy, who has been Deaf since birth, decides to audition for a singing role. As Eliza teaches Lucy to sing, her confusion begins to dissolve, and together the girls learn about courage, friendship and limitations -- both real and self-imposed.