
After a sudden alien strike renders much of the world uninhabitable, humanity lies on the brink of extinction. The remaining surivirors live below ground like pack rats in splinter resistance cells scattered across planet. Old Thomas, the weary leader of Tempest Lot struggles to lead and keep the people under his command safe.
When an encrypted message is intercepted, he and his men set out on a deadly mission whose failure or success will determine the fate of the human race.