Polly, Keri, Frizz and Lily. They're the Gang of Four, and they're going to stick together forever and EVER!
Then why is Frizz behaving so strangely? Polly is worried that Frizz hates her new school and feels lonely without the rest of the Gang of Four.
But is Frizz feeling left out, or is she the grooviest girl of all?