The outrageous story of three best friends, one greedy mayor, and a whole lot of pranking

Casey Wu tries to stay out of the spotlight, which is why no one would suspect her of being the mastermind behind a string of attention-grabbing pranks at her school. Together with best friends Zeke and Cookie, she is part of Green Peas--a secret activist organisation designed to make adults sit up and pay attention to important environmental issues.

But when the three young activists get wind of a major cover up in their town, things really start to get serious. It's time for Green Peas to stage their biggest prank yet.