Duvall's story (spoilers)
I found all the characters engrossing because each had a dual, conflicting nature. I was really moved by Duvall's character, Gordon, when he tells Natalie about the wife that consumed his wife. He said he was going to leave her & that he couldn't stand the sight of her face, but the flashbacks show a man desperate to save her & he kissed her as she lay dying. His words don't coincide with his actions.