The Question and Answer section for The Bell Jar is a great resource to ask questions, find answers, and discuss the novel.
During the movie, Esther begins to feel sick, so Betsy accompanies her back to the hotel. In the cab back to the hotel, Esther and Betsy both vomit, and the next thing that Esther remembers is seeing someone else's shoe. All of the girls have food...
Esther approaches the movie with a combination of cynicism and sarcastic detachment; she expresses a dissatisfaction with Technicolor movies nearly equal to the dissatisfaction she displays when she and the other girls have food poisoning.
Esther wrote Mrs. Guinea a thank you note, which was responsible for her invitation to lunch.