The 19 Best Horror Movies of the 2000s

French friends Alex and Marie travel to the country to visit Alex's parents in this thriller from France. When the parents meet a gruesome end, the killer turns his attention to the young women, and they have to get serious(ly violent) if they want to make it out alive. The best part of this movie is that it gets brutal real fast, and you just have to grit your teeth and bare with it. The worst part is that it's so short — only 90 minutes.