If you haven't heard of it, nevermind, it's a similar "strangers invade a house" type thing, though far more original and disturbing.
http://www.imdb.com/title/tt0119167/
http://www.imdb.com/title/tt0808279/
The Strangers had potential, but it didn't thrill me or scare me. People in masks walking around and standing in plain sight and then butchering two people. Yawn.
http://www.imdb.com/title/tt0119167/
http://www.imdb.com/title/tt0808279/
The Strangers had potential, but it didn't thrill me or scare me. People in masks walking around and standing in plain sight and then butchering two people. Yawn.
They leave because they finished their business, did you expect them to stick around for tea? 

I'm sure it's "lame".

t: