In a post-apocalyptic world, a family is forced to live in silence while hiding from monsters with ultra-sensitive hearing.
Following the events at home, the Abbott family now face the terrors of the outside world. Forced to venture into the unknown, they realize the creatures that hunt by sound are not the only threats lurking beyond the sand path.
As New York City is invaded by alien creatures who hunt by sound, a woman named Sammy fights to survive.