Synopsis

A single mother (Kathryn Hahn) sends her two young children for a week-long visit with their grandparents (Deanna Dunagan, Peter McRobbie) at their secluded farm in Pennsylvania, but things take a terrifying turn when the children discover their grandparents are part of something deeply disturbing.

Things begin to go very wrong and the chances of them returning home get further away with each passing day.

Suggestions

Sixth Sense, The
Signs
Village, The
Warm Bodies
After Earth
Purge, The