If the ambition is to provide two hours of instantly forgettable, popcorn-munching escapism, it succeeds.

It's entirely possible that sending the audience out feeling lousy was intentional

After playing with our expectations, this turns out to be a very different sort of film.

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.