A nuclear holocaust kills millions. Survivors travel north hoping for clean water and soil but are stalked by a hidden predator deadlier than humans. A nuclear holocaust kills millions. Survivors travel north hoping for clean water and soil but are stalked by a hidden predator deadlier than humans. A nuclear holocaust kills millions. Survivors travel north hoping for clean water and soil but are stalked by a hidden predator deadlier than humans. A nuclear holocaust kills millions. Survivors travel north hoping for clean water and soil but are stalked by a hidden predator deadlier than humans.