Amanda and Clay head out to a remote corner of Long Island expecting a vacation. But with a late-night knock on the door, the spell is broken. Ruth and G. H., an older couple who claim to own the home, have arrived there in a panic. These strangers say that a sudden blackout has swept New York, and they've come to the country in search of shelter. Should Amanda and Clay trust this intruding couple - and vice versa? explores how our closest bonds are reshaped - and unexpected new ones are forged - in moments of crisis.