Whats the movie that they have on for MTV right now?

its like this girl is trapped in this old couples house. And they're like killers and they're sitting arounf the table and she's tighed up and the old man slits her friends throat . Then she starts screaming and another guy takes her to another room but then she escapes and goes through a window and starts running, then the creepy looking guy starts to chase her with a bloody chainsaw?? Wats the movie called???