A piece of toilet paper stuck to the bottom of Lizzie McGillicuddy's shoe could prove to be the biggest disaster in the entire history of the freckle-faced third-grader's career until the errant strand of tissue becomes a fantastical queen's train, then a magical superhero's cape, and finally a spooky bride's veil, proving that a little positive thinking can change your whole outlook on life...and save the class costume contest