Nancy, who likes to use fancy words, is excited to wear her elegant nightgown for Pajama Day at school, until best friend Bree and schoolmate Clara impress everyone by wearing matching pink polka-dot pajamas.

Nancy, who loves to use fancy words, and her friend Bree are proud to be the best spellers in their class, but when a spelling quiz proves tougher than Nancy thought, Nancy is faced with a difficult decision.