When Olga visited Nana in the village she soon got bored. So when Mitra told Olga about the stork that visited each spring, Olga couldn't wait to see it. They waited by its nest every day, but did the stork ever come...?

Each story in the Nana Knows Best series is set in Bulgaria, and follows Olga as she spends her holidays with her nana in a typical Bulgarian village.