The world has fallen into ruin. A cold-hearted lone wanderer crosses paths with a peculiar young boy. The boy's secret: he is not fully human, but has a pure soul. Moved by his innocence, the man becomes his protector. Facing threats across the wasteland, the pair rely only on each other. Danger lurks, but gentle moments keep them going. Can this unlikely family survive the end-of-world and find a safe place?