In the north, hunger, dirt and monstrous gravity reign, which mercilessly puts pressure on people, turning them into pitiful monsters. In the south... no one knows what lies behind the terrible equatorial wall. Legends say that there lies a wonderland, rich and beautiful. But can these legends be believed? Nat lives in the north, on an endless mud plain, where man-eating lizards, tyrants Watch and stone clouds rule - real flying icebergs that can destroy entire cities. Tired of this gloomy world, Nat goes in search of the legendary paradise. But the great wall hides many secrets... one more terrible than the other.