Angelina, Vici and Gracie need to get ready for a big day. The night before, they end up having a slew of mishaps that keep them awake almost all night long. The next day, Angelina and her friends have to choose between going to the annual Silly Hat Carnival, a tradition in Mouseland, or rehearse for a very important performance. They make the ultimate sacrifice for their dance and miss the Carnival.
