Taking up space in the claustrophobe-baiting single room movie genre is this particularly nasty high concept film starring Ryan Reynolds, directed by Rodrigo Cortés, Buried.

Making Sundance waves currently, the basic premise is Ryan Reynolds is attacked in Iraq and wakes to find himself in a coffin with only a mobile phone, a lighter and a whole heap of questions.

This teaser and clip, which come from MTV, opens the plot lid a little wider, but the who, how, what, when and wheres are still kept cloaked. Take a look…

Here’s the trailer.

And if you’re hungry for more, here’s the clip.