Sightless aliens with sharp hearing and impenetrable armor plating have taken over the planet and killed most of the human population. The Abbott family — mother Evelyn, father Lee, deaf daughter Regan, and sons Marcus and Beau — live on their isolated farm in the middle of a forest in upstate New York, and have survived by taking precautions such as laying sand paths to avoid stepping on crunching leaves and using American Sign Language when communicating.