We are in a dystopian future. In the year 2206, the earth became an arid planet, where life is no longer sustainable. Living beings have holed up underground in a sub-metropolis. This new world was created by the M.A.S. electricity company, which has managed to obtain the metropolis control. The protagonist of the story is a mutant named Kron, a surgeon/alchemist by profession. Kron’s goal is to restore livability on the Earth’s surface. The M.A.S. will try to stop him in every way but the strength, which comes from the death of his daughter, will guide Kron to complete this mission.