Just thirteen, best friends Kobie and Gretchen are having too good a summer vacation to worry about Madame Zaza's warning of "dark days ahead." There are boys to watch, lipsticks to try, record albums to hear. And a lifelong friendship to keep them busy.
But when school starts, Gretchen starts making big changes. Suddenlt she has the right looks, the right clothes, and all the new friends. While Gretchen moves on, Kobie is stuck with her dream of being an artist and her favourite Top 40 songs to get her through eith grade. Can Kobie survive the year if it means sharing Gretchen?