Their fight was hopeless, impossible, absurd, but the perfect fit.
Native American cave drawings and ancient hieroglyphics foretold of worldwide devastating social unrest. This leads the United Nations to reluctantly invite Aliens to assist them in the running of planet Earth.
Unfortunately along with the Aliens comes a viral epidemic which contaminates everything and causes worldwide infertility. In the face of this catastrophe the Aliens turn cruel and force the humans into slavery.
A band of rebel warriors rise up against the invaders and fight the Aliens to rescue a pregnant female who holds the secret to saving mankind and ridding the planet of its unwelcome masters.