Francine inadvertently takes Catherine's backpack to the community center and discovers a magazine called Popular Girl. After taking a personality quiz, Sue Ellen and Fern change their personalities to be more "likable." Sue Ellen goes from being an expert to quiet and not speaking up, while Fern becomes loud and bossy, both causing chaos in their groups. Buster holds a grudge against Binky for telling a joke in class that Buster intended to tell. Arthur tries to console him before the grudge overtakes Buster. In the end, Buster settles his grudge by talking with Binky, who was unaware how upset Buster was.