The opening scene depicts a large group of teenagers having an orgy, with various sex acts. Throughout the movie there is a LOT of simulated sex and nudity. The nudity largely consists of bare breast and behinds with a few very, very brief glimpses of frontal female and male pubic areas, nothing really graphic. During the ending credits a group of teenagers is running down the road and full frontal is shown, again, nothing graphic. All scenes are very dimly lit, no doubt intentional.