Hidden inside a volcano, Red Cloak School trains the superheroes of the future. Competitiveness is encouraged, but sometimes things get out of hand. When Paige Bender, blessed with the ability to stretch her body many times its original size, loses her temper in a race against a classmate with super-speed, she finds herself left off the guest list for a very special field trip. She won't get to meet her idol, the superhero Flexeria, or tour the monolithic Justice Alliance building. But her closest friends are going, and they seem too excited about the trip to feel bad that she won't be with them.

What could be worse? How about an attack on the Justice Alliance building by a gigantic robot? How about all her friends being in danger, and Paige being in no position to help them? Then top that off with the return of Psi-Bor, a supervillain so dangerous he has a whole chapter devoted to him in the Red Cloak Island School textbooks. The day needs saving, and it looks like even the Justice Alliance are outmatched. Can Paige find a way to reach her friends in time to be the hero everyone needs?