What - or who - is making the usually cheerful and dependable Maud so grumpy? And why are she and Ernie arguing all the time? It seems to Ernie that being his sidekick just isn't important to Maud anymore. Then Valiant Vera says that if the two trainee superheroes can't work together, they will be thrown out of the Superheroes Society! Ernie and Maud must learn the value of teamwork (and how to get a sheep out of a tree) before it's too late.
