Comic fantasy adventure, set in a world where superheroes are part of the social fabric. A student at Sky High, the top secret academy for young superheroes, has problems learning the ropes at school, and is designated a 'sidekick'. This is especially embarrassing for Will, because his parents, Commander and Jetstream, are renowned for their heroic exploits. His chance to shine emerges, however, when his family is threatened by the evil Royal Pain.