About the ending
I never read the book, so I'm just talking about the movie. What really happens in the end? They only show Susan. Susan talking to the police. Susan's parents who wonder what they did wrong. Susan who wishes she could go back to the way things were.
But what about everyone else? What happens to Mark? What happens to the rest? Do they stay friends? Will the others beside Mark get in trouble with the police as well for the kidnapping?
The ending just left me with loads of questions. I don't understand why the focus was only on Susan in the end.