Believing that God wants him to make the world a better place, Wally is thrilled when Junior Whiz Kid outfits him with a supersuit, but he soon realizes that everyday acts of kindness make more of a difference than a superhero ever could.
At the suggestion of their speech teacher, Wally and his good friend Wall Street agree to switch places for three days to prove whether boys or girls are better.
Misadventures abound when the Ricko Slicko Advertising Agency arranges popularity and fame for clumsy Wally McDoogal, young writer of superhero stories.
When Wally becomes involved in international espionage, rocket-powered toilet paper, and exploding dental floss, he ends up having to become a skydiver to save his life and the entire free world.