It's funny, it's tense, it features two great performances from two actors and the director expertly creates a web of odd tension where you actually don't know what is happening for the majority of the run time.

The film never slows down or bores, plunging from one harrowing sequence to the next.

A great movie, one of the best of this year. There was a bit of confusion at one point in the plot, but nothing serious.

The film never slows down or bores, plunging from one harrowing sequence to the next.