... after the earth has been contaminated by nuclear bombs,, after the earth has been contaminated by nuclear bombs,

there are only a few surviving humans and contaminated ones, as well as orcs. All human survivors search for the energy source to renew themselves and continue living. The renewal of the human body is important to regain strength and rejuvenate. Without the energy source, humans age and die or struggle as contaminated beings.
Two gangs clash in the film and a wild orc wreaks havoc on the grounds. There is an energy source somewhere in the contaminated area. The two different and hostile gangs search for it and later meet. But only one gang can survive.

Who will survive in the end?