3773 A.D., mankind has long been exiliated to the outerspace, after a catastrophic event that seemingly destroyed life as we know it on planet Earth. While radiation levels are still high, air is becoming richer in oxygen and water is slowly being purified. Life is restarting to bloom.

What the first man on Earth finds is a barren planet populated by wild animals once thought to be extinct and sparse vegetation rising from the ground. Most of the metropolis on the planet have been wiped out, but once abandoned buildings are still standing in remote locations of the planet.