There are some strange ideas floating around in Paul's apartment building. There's Mabel, who now calls herself Molly and whose brother hides under a paper bag. Then there's Clarence, the poodle who thinks he can fly.
But the strangest idea of all is Paul's. You see, Paul believes that the moon is not the moon but a great hole in the sky. How on earth (or not on Earth) is he going to find out wheth...