The main characters are involved in a adulterous relationship and there are multiple scenes of infidelity. Sex is only implied but not shown.
There is a orgy party where people are in different states of undress. Men and women crossdress, with a man even "french kissing" a dog. A couple have sex for the entertainment of a group, only reactions are shown.
Diana is seen nude from behind as she removes her slip. She is standing in front of a mirror so her breasts are seen very briefly. A brief glimpse of the side of her breast is seen when she then falls onto the bed. Male nudity includes bare chest, and full rear nudity in background.
There is one scene where oral sex performed by a man upon a female is implied, with a few seconds of lustfully rapturous grimacing by the female. There is at least one scene where a sexual paring between two men is implied, and many scenes where heterosexual casual sexual pairings are depicted. One couple swapping party is shown.