Plot is the series of events in a story. Exposition is the author's introduction to the characters and setting. The conflict, or problem, sets up the action and moves it along. The climax is the story's point of highest emotional interest.
I believe Kate Yup was being forced to eat those horrendous amounts of food. She looked very uncomfortable and there were signs and codes she used. Even tho she said she was fine, I think it was scripted