When Isadora is invited to stay at her friend Zoe's house she's so excited - she hasn't been to a sleepover before! There will be midnight feasts, and staying up all night, it's going to be so much fun! And while she's there, Isadora and Zoe are going to work on their cake for a baking competition at school. But will they be able to resist adding a sprinkling of magic to their creation ...?.