Description
When the world is under attack from terrifying creatures who hunt their human prey by sound, 16-year old Ally Andrews (Kiernan Shipka), who lost her hearing at 13, and her family seek refuge...
Plot
The story of a family struggling to survive in a world terrorized by a deadly, primeval species who have evolved for millions of years in the pitch darkness of a vast underground cave system, hunting only with their acute hearing. As the family seeks refuge in a remote haven where they can wait out the invasion, they start to wonder what kind of world will remain when they're ready to emerge.