Lara is a cheerful child who loves learning new things. Her stuffed animal Leo is with her every step of the way, and together they have all sorts of adventures.

It’s Leo’s birthday, and Lara decides to have a party for him. She gets her friend Atli to help her plan the party. Atli’s little sister, the spirited Glodis, comes with him. When Glodis and Leo suddenly disappear, Atli is worried. Where have they gone?