The Fairy Queen is going away for a few days so Zoë and all the fairies promise to be on their best behaviour. But then Marcy hits her head and the Fairy nurse mistakenly gives her growing up medicine!
Now it's up to Zoë and Pip to find the recipe and
ingredients for a shrinking potion . . . the only problem is, these are guarded by a scary troll! Can Zoë and Pip help Marcy get back to her normal size?