Earth as we all know that it has been gone. An virus has destroyed the planet and left all of its women infertile, all but one. An elite group of soldiers are tasked with bringing the lady to safety to the Earth Two. However if they're pushed they wind up fighting by an monster of shrinking tunnels, in a maze. The ammunition jog out and as the team's positions begin to dwindle , the tunnels shrink, the creep for survival becomes more and more dire.