What is Harry Caul's line of work?

When the film begins, what is Harry doing?

Why does Amy decide to break up with Harry?

Why is Bernie so interested in Harry's success?

Harry won't hand the tapes over to Martin. Why?

What does Harry believe the Director's plan is?

After listening to the tapes several times, what does Harry decide to do?

How do the tapes disappear?

Where does Harry go after seeing the Director? What does he hear?

Later, what story does Harry put together?

What is Martin's final threat and how does Harry react?