High Tension

Students Marie (Cecile de France) and Alex (Maiwenn Le Besco) have no idea of the horrors that await them when they head off to a remote country home to study for their upcoming exams. When night falls, a psychopathic stranger attacks, tying up Alex and taking her away. It's up to Marie to save her friend -- but first, she must figure out what is really going on. (official distributor synopsis)