Chelsea's school year has taken a turn for the worse. After being dumped by her boyfriend and humiliated at the pep assembly by her younger sister's boyfriend, Rick, she's just concentrating on avoiding any other major embarrassments. That's when Rick and his band debut their new album, complete with a whole set of songs bashing cheerleaders. Chelsea's humiliation has reached a whole new level now that everyone is walking down the halls singing the words to "Dangerously Blonde." It's time to make Rick pay. All he wants is to win the High School Idolaudition, so he can be on his way to rock star fame and fortune. But with the help of her best friends, Aubrie and Samantha, Chelsea is going to steal his victory right out from under him. The characters from All's Fair in Love, War and High Schoolare back, only this time it's payback.