In the midst of World War 2, a group of British schoolboys crash on a deserted island and find themselves waiting for rescue. At first the island seems like a paradise, with mysterious jungles and wild boar and secret caves fit for a young boy's games. But things begin to take a dark turn as rumors spread of a terrible Beast waiting for them in the trees. Civilization and leadership begin to break down as the boys begin to forget their old lives and confront human nature at its worst.