Instead of being rescued from a plane crash, as in the author's book "Hatchet," this story portrays what would have happened to Brian had he been forced to survive a winter in the wilderness with only his survival pack and hatchet.
Four English schoolchildren find their way through the back of a wardrobe into the magic land of Narnia and assist its ruler, the golden lion Aslan, to triumph over the White Witch, who has cursed the land with eternal winter.