A quirky tale where Enid Blyton meets George Orwell, brothers Alfie, Luke and Pacey are searching for Horseshoe Crabs in a mangrove swamp when they meet a mysterious bearded man, whom they nickname "Swamp Man". Swamp Man leads them into a dense underground forest, where they stumble upon another world - one where the plants and animals are made of plastic. At first the boys have fun playing in their newfound plastic world, but soon, they discover its dark and dirty secret. The boys are faced with a difficult decision, which will impact their relationship with the environment forever.
