From the Inside(2010)

Who will win this game of death?

Alone in their isolated home where no cars pass and no one lives nearby, Vincent and Tally suffer together in a loveless marriage. But what they don't know is that they are not as alone as they think -- a criminal and his psychotic brother are watching them through binoculars. They stare lustfully at Tally through the windows and plan something horrible for the unhappy couple when night falls...