Complex sentence: The story, which has been updated to a World War I setting, follows the structure of the original opera libretto very closely while stripping away all the Freemasonry references, and all of Mozart's music for the opera is retained in the film.
Split into simpler sentences: The story, which has been updated to a World War I setting, follows the structure of the original opera libretto very closely while stripping away all the Freemasonry references. All of Mozart's music for the opera is retained in the film.