The series is about an orphan boy named Eric, with his best friend Trevor and his two female friends, Vana and Kitty, who are training to become sidekicks at the Academy for Aspiring Sidekicks. While dealing with intense sidekick training, Eric must also contend with the disappearance of his superhero mentor, Maxum Man, and keep it a secret from the town of Splitsboro, his strict guardian Maxum Brain, his grumpy teacher, Professor Pamplemoose and the evil Master Xox