Then you should check out this Greek film called [i]Dogtooth[/i]. It's about a family where the parents keep their children sheltered form the outside world even into their adulthood. They are never allowed to leave the house which is surrounded by a tall fence and the only outsider they have met is one of their dad's co-workers who comes over to have sex with their son. Needless to say, interactions with her is where shit starts to go down in the families life.