Eleven-year-old Simone isn't your average pre-teen. When she's not playing drums for her band, The Bottle Rockets, or flying the peanut butter–powered plane her beloved grandfather (GP) built for her as Alias: Jet Girl, she's on a mission to save the environment.When evil Richard Enrong decides to use his greed and corporate power to steal dolphins and sell them into captivity for money, Jet Girl sets out to free them and uncover Enrong's immoral plot. But will she and her bandmates, with the help of GP's clever but unpredictable inventions, be able to thwart Enrong's wicked plan without being captured themselves?