Billy, Bolly, Bella and Blue live in a fancy house with fancy cars and a fancy garden. But they have absolutely nothing to play with and nothing to do. Across town, Molly and Moo love near a tip. It is full of interesting things to explore, and there are no fences to keep them inside. One fateful day, Molly and Moo decide to help Billy, Bolly, Bella and Blue have a little fun.
