Izzie is restless, and eager to be treated like an adult. So she decides it's time to make some changes. But the new Izzie comes with new problems. First there is Josh Harper, an older, cute-but-wild boy. Then there is her mother, who is opposed to every part of the "new Izzie." How can Izzie learn about herself and what it means to be grown up -- without upsetting everyone along the way?