Percy is a proud plastic bag and wants to work hard, and he loves to carry things for people. After leaving the Feed Me Supermarket, Percy is happy to be heading out to have a life of usefulness. Unfortunately, things don't work out quite the way he thought they would. After Percy helped carry some cupcakes to the fete at the village green, things take a terrible turn for the worse, and Percy finds himself in all sorts of trouble. Plastic pollution...