14-year-old Jamie is frustrated by the cruelty of the popular crowd at her school, especially nasty Sawyer; she writes about it in her journal, giving all the characters fictional names and characterizing herself as a girl who is popular and cool.

On the verge of turning 15, Georgia sets her sights on Robbie, the gorgeous new guy at school who plays bass for the Stiff Dylans. Sadly, he is already dating her evil archrival: blonde, perfect Lindsay. With her flamboyantly dressed cat Angus and her girl posse, the Ace Gang, by her side, Georgia sets her plan in motion to nab the boyfriend of her dreams, and have the best birthday party ever.

For as long as they can remember, Yasmin, Jade, Sasha and Cloe have been best friends forever. Inseparable since they first met, the girls have always supported each other's individuality. But now as the foursome enter Carry Nation High, the four face a brand new world: a blackboard jungle, where for the first time they discover life as a teenager means dealing with a system of social cliques, all strictly enforced by senior Meredith Baxter Dimly....