The Guest is a 2014 American action thriller film directed by Adam Wingard and written by Simon Barrett. The film stars Dan Stevens and Maika Monroe, with a supporting cast that includes Leland Orser, Sheila Kelley, Brendan Meyer, and Lance Reddick. It tells the story of a U.S. soldier (Stevens) called David who unexpectedly visits the Peterson family, introducing himself as a friend of their son who died in combat in Afghanistan. After he has been staying in their home for a couple of days, a series of deaths occur, and the daughter Anna (Monroe) suspects David is connected to them.

Plot

Spencer and Laura Peterson, with their children Luke and Anna, are coping with the loss of their elder son, Caleb, to the war in Afghanistan. They are visited by David Collins, a former U.S. Army sergeant who claims he was Caleb's best friend. He tells the family he wanted to visit them as a way to help Caleb take care of them. He is polite and friendly, and Laura invites him to stay as long as he wishes.