Melvin Breederman, superhero in charge of Los Angeles, attends the Superhero's Convention in Las Vegas, leaving his young sidekick to keep Los Angeles safe from evil bad guys and bullies.
When the star of The Grateful Fred receives threatening letters, he calls on Melvin, the superhero in charge of Los Angeles, and his assistant, Candace, to stop the criminal and his henchmen before they destroy Fred's reputation.