A brother and sister are sent to their grandparents' remote Pennsylvania farm for a week, where they discover that the elderly couple is involved in something deeply disturbing. Olivia DeJonge, Ed Oxenbould, Deanna Dunagan, Peter McRobbie, Kathryn Hahn, Celia Keenan-Bolger, Samuel Stricklen Added on Amazon Prime 2023-07-27. Youtube Trailer