The year is 2083. As a result of environmental pollution, most of the earth is covered by the so-called wastelands, contaminated deserts with ruins and shelters where only mutants live. The only exceptions are the oceans and the cities, which grew larger and larger until they merged together to form giant megacities. Smog covers the atmosphere over these megacities, so the light is always dim, but colorful commercial projections and lanterns make up for the lack of light.