When Angelina Ballerina is recruited to help with the anniversary celebration of the the king and queen of Mouseland, she finds herself in charge of preparing the three young princesses for their performance.
While on a camping trip with Uncle Louie, two young mice named Angelina and Henry become lost in the woods until the "fit and fearless" Angelina saves the day.
When Cousin Henry gets all the attention in the grown-up musical in which they have roles, Angelina becomes jealous, but she demonstrates her fondness for him when a crisis occurs on opening night.
