Charlie Bumpers has his heart set on playing the role of the evil Sorcerer in the fourth grade play. He's even got the laugh down pat: Mwa-ha-ha-ha! But his dreams of villainous stardom go up in smoke when he finds out that Mrs. Burke has cast him as the Nice Gnome! Determined to rectify this terrible injustice, Charlie concocts one plan after another, but nothing seems to work.
To make matters worse, his dad has assigned chores to all the kids in the family and Charlie's job is walking Ginger - the diggiest, sniffiest, and poopiest dog in the universe. Can Charlie deal with these challenges without causing havoc all around him?