High Tension Trailer (2005)

Marie and Alexia are schoolmates and best friends. Hoping to prepare for their college exams in peace and quiet, they decide to spend a weekend in the country at Alexia's parents' secluded farmhouse. But in the dead of the night, a stranger knocks on the front door. And with the first swing of his knife, the girls' idyllic weekend turns into an endless night of terror...