When Leo wakes up to find his room invaded by toucans, he and his bed are suddenly marched off out of the window and into the strange land of Loopalloo, a place far beyond the imagination.

As Leo makes his way to the heart of this peculiar place, he meets many interesting characters, including the Wheeple People and the Knitty Knitters. Leo goes with the flow of his adventure, and soon finds his way to Biggy, a big green whale that fills his heart with happiness.

But things are about to take a tragic turn, and Leo and Tigerdust, a fierce tiger cub, must find the courage to confront the new reality.