A lot of fun.

It's hard to see any effort in the film. There's no comedy to speak of, no real drama and, worst of all.

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.

This is a small, humorous movie in some ways, but it has a huge heart. What a nice experience.