Most nine-year-old girls would be thrilled to get their first dancing shoes and ballet lessons. But not Lily. Her father has to drag her to the Capezio store, and then he makes her haughty older sister, Saundra, escort her to the dance studio. Lily just knows Saundra is embarrassed to be seen with her.

But Saundra, a star ballet student, has more to worry about than a chubby, clumsy little sister. The American Ballet Company has an opening, and Saundra's not sure she's good enough to win it. Worse, she's competing against the supremely nasty Meredith Meredith, who will stop at nothing to get what she wants.

Saundra may be beautiful and graceful, but it's Lily who's got the heart and the brains -- and she knows how to help. It's time for the "sisters impossible" to make a deal...