In the distant future, long after humans have left Earth, a sprawling underground factory remains operational, hidden beneath the surface. The only signs of life are the occasional flickers of electricity and the soft hum of a lone robot named Ocon.Ocon wakeup in the underground factory, try to escape from underground to surface.

In the distant future, long after humans have left Earth, a sprawling underground factory remains operational, hidden beneath the surface. The only signs of life are the occasional flickers of electricity and the soft hum of a lone robot named Ocon.Ocon wakeup in the underground factory, try to escape from underground to surface.