In a world where children are under pressure to meet standards and milestone, one little girl learns that doing it your own way is sometimes the best way.

Mavey is excited to sing at the end-of-the-year concert. But the Year Two song has whistling in it, and Mavey can't whistle. To make matters worse, Mavey's twin sister, Beth, has a mighty whistle. Terrified her classmates will laugh at her, Mavey and her family devise a plan to get Mavey whistling. Will Mavey learn how to whistle in time for the big concert? Or will Mavey's toot stay mute?