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

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

The movie turns out to be a little better than the average. Starting from a romantic formula often seen in the cinema, it ends in the most predictable (and somewhat bland) way.

The film may be flawed, but its message is not.