Montana rancher Caleb O'Hara can see the future—and what he sees gives him pause. Not only are aliens about to invade earth with devastating results, but his beloved wife, Jane, is going to have to adapt to a markedly different way of life if they're all going to keep breathing. Caleb is circling the wagons, preparing his small family—his wife and two younger brothers—for the cataclysm to come. Question is, can they all survive not only the near-apocalypse, but the new relationships they'll have to forge if they want to survive?