Polly always seems to get in the way when Angelina and Alice want to play alone, so they agree to play hide-and-seek with her but then leave her in her hiding place while they play inside.
Angelina insists she wants Anya, a mouseling visiting from Dacovia for the summer, to stay at her house and share her room, but Angelina's feelings change when Anya begins getting too much attention.
Angelina wants so very much to play Cinderella Mouse in the Christmas ballet Miss Lilly's school is performing for the Queen, that she behaves badly when she is assigned the role of the Wicked Stepmouse.
Angelina and her friends are very dismayed when they overhear bits of conversation that lead them to believe their beloved ballet teacher, Miss Lilly, is leaving them.
A little mouse named Angelina wants to become a ballerina and loves to dance more than anything else in the world--including tidying her room, helping her mother, and getting to school on time.
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.
Angelina and some other mice are preparing for a New Year's Eve ice skating show, but the hockey players keep getting in the way until Angelina gets them involved.
