As somebody who had not heard any of this before, it became a curious phenomenon to sit and watch a film and slowly have the realities begin to click into place.

It is an exhilarating, distressing, funny and profound film, with one of the more memorable film scores in years,

Exactly the movie you think it is, but not the movie you want it to be.

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