Parents need to know that there are some battle scenes and a graphic amputation, and some inexplicit but intimate scenes of married couples having sex and teenagers making out.
If you have read the book, you would get an idea of how corrupt the movie would be. However, the story according to the book was much better than the story according to the movie. The movie was hard to follow, and if I hadn't of read the book, I would not have gotten it. It was dark, seductive, and there was no redeeming qualities, other than the fact that it opposed racism.