Daisy, an 11-year-old girl with a passion for adventure, sneaks into her neighbour’s greenhouse and steals a beautiful flower as a birthday present for her mum. However, once home, she soon realises she has accidentally stolen something (or someone) else too – her neighbour, Fred! The only problem is that, thanks to some magic experiments, he’s managed to turn himself into a caterpillar! Daisy must embark on a journey across her neighbour’s fantastical garden once again in order to return Fred the Caterpillar safely back to where he belongs, facing a few of her fears along the way...