When planes fell from the sky over Denver and the grid went down along with the government, McLean and Carrie fought their way to his mountain retreat to survive and thrive in peace. Now they face not only the fight for survival in the new post-grid world, but a fight for the civilization they once belonged to. 

Their prepper band face challenges at home and all around them as they feel their way past new dangers and toward each other. And in the end, each of them must come full circle and face what they left behind: the city in ruins that has become the key to the region's freedom.