A lot.
Florence, who is Freddie's assistants, meets a Russian and falls in love. This Russian happens to be Freddie's opponent. Love triangle ensues as Svetlana, Anatoly's wife gets involved.
But the real drama starts when the American embassy tells Florence that her father is still alive (after all these years thinking he was dead), and at the end finds out that the Embassy lied to Florence.
In between is just boring, as they are the most interesting stories of the plot. I suggest buying the script. It's a good read, and about 5 bucks.
"Do you know what pledge time is, Andrew"? said the PBS Executive.
"Yes", Lloyd Webber replied. "My 50th birthday special must be one program that gets done a lot."
"No", mused the man from PBS heedlessy. "Not so much. Our Stephen Sondheim Carnegie Hall concert. That's a big one."
Spoons, forks and knives seemed suddenly to suspend their motion in horror, all around the table.