In truth, there is barely enough story here to make a film.

Fanciful, disturbing, and wildly original, it announces the arrival of a fresh, bold voice in American cinema.

This is a must-see and one of the best documentaries - and films - of this year.

This is ultimately a movie about the very bad things that can happen when we don't address our unease, when we just try to brush it off, whether that's to fit in or to preserve our self-image.