Knock at the Cabin is an upcoming American apocalyptic psychological horror film directed by M. Night Shyamalan, who wrote the screenplay from an initial draft by Steve Desmond and Michael Sherman. It is based on the 2018 novel The Cabin at the End of the World by Paul G. Tremblay.
While vacationing at a remote cabin, a young girl and her parents are taken hostage by four armed strangers who demand that the family make an unthinkable choice to avert the apocalypse. Confused, scared and with limited access to the outside world, the family must decide what they believe before all is lost.