Since there was no plot for the whole movie, it was a remarkable example of improvisation. Having a comprehensive screenplay.
That walks performers through every phrase and scene makes filmmaking difficult enough. Therefore, it’s rather amazing to learn that certain scenes in a movie were improvised.
Even more amazing, however, is when a whole film—starring Olivia Wilde and Anna Kendrick—is entirely improvised.
This 2013 film is now available on Netflix. The performers understood where the tale needed to go and had.
A few fundamental plot elements to reach, but they made up the language and many of the in-between scenes as they went along.