There is a flashback to a scene where a couple are having sex. The scene lasts under a minute. Thrusting can be seen, and moaning heard. There is no visible nudity as it is carried out in darkness in shadows.
A females breasts can be seen whilst she lies in bed. They are shown for a matter of seconds. In another scene, the same female gets out of bed and you can see her breast from the side, for the same amount of time.
You can see the buttocks of a male as he leaves the bed and enters a shower. His back and front torso can be seen. No male genitals are shown.
A man removes the shirt from a woman revealing her underwear whilst they are kissing. Later a females buttock is shown whilst she gets out of bed and puts on her underwear.
Male and Female frontal nudity chest/breasts/nipples. Male and female full rear nudity.