On their school trip to the Cosmopolitan City Library, Polly and pals learn that many of the books in the library have mysteriously gone missing, including Polly's favorite book series she's eager to share with Bella.

Lila is excited to compete in a fashion contest, but becomes worried that her design doesn't fit in. Lila accidentally uses her Transformation Pockite to turn into Madame Lulufoofoo, forcing her to spend a day in the designer's fab shoes.