A global pandemic burns through the population leaving America in shambles.
Sarah Washburn and her crew are forced to go on the run from an indefensible horde.
Isolated in the Colorado high country, they?re pursued at every turn by mercenaries who want something they have.
An impossible situation with low odds of survival, and their luck running out, they have one shot.
A final chance to take a stand in a showdown that will alter the fate of the new world.