There is an implied sex scene during which we see a man and woman are covering themselves in blankets after sex and there are references to it later.
A man and woman are seen having sex, with lots of movement and some moaning. No nudity, her back is briefly seen afterwards.
A woman walks around fully nude for about two minutes. Her pubic region is always obscured, but her bare breasts are intermittently visible.
A woman puts her head into a man's lap, implying oral sex. She later pops up and wipes her mouth.