Will's parents are both superheroes, so it's only natural that the teenager Will (Michael Angarano) enters the cradle of Superman - Superman High School. On the first day of school, students will take a test of their superpowers. Students with superpowers will be assigned to the hero group, while others will be assigned to the assistant group, which is a thankless job. Unfortunately, Will entered the assistant group. From then on, Will's life became very difficult. Not only was he tricked by his classmates in the Superman team, but even the beautiful cheerleaders made fun of him. Moreover, he had to try his best to hide his miserable experiences in school from his Superman parents. To make matters worse, at this moment, an evil black hand reached out to the Superman School...