Amanda (Julia Roberts) and Clay's (Ethan Hawke) aspirational vacation with their teenage children is interrupted by the arrival of a middle aged couple who own the holiday home, and who have fled an unprecedented blackout in the city.
When the internet, television and radio stop working, as does the landline - they have no way of finding out what is happening.
As strange sonic booms shatter the peace of the countryside and animals start to migrate in strange ways, the physical and mental health of the families begins to disintegrate.
The renters are upscale and White; the owners are upscale and Black.
The issues of a race clash become distractions to the more alarming things that are happening all around them.
