When Horton the Elephant hears a very soft noise, he discovers a planet full of tiny girls and boys. On a small speck of dust is a planet called Who, lives a young child named JoJo who is feeling quite blue. But when Horton meets JoJo, oh the things they can think! They'll save all of Whoville as fast as a blink. Thanks to brave Horton, we'll learn, one and all, that a person's a person...no matter how small!