Earth as we know it is gone. A virus has destroyed our entire world and rendered its women infertile, all but one. An elite team of soldiers are tasked with bringing the lady to safety around the newly habitable Earth Two. However when they are forced underground they find themselves fighting for survival from an monster of shrinking tunnels, in a number. The ammunition run out and Since the team's rankings begin to dwindle , the tunnels psychologist, the crawl for survival grows more and more desperate.