No graphical nudity show on screen.
A man and his wife are seen having sex in two scenes, there is no nudity and they are entirely clothed. The first scene is prolonged and shows the two thrusting wildly in bed, moaning very loudly.
A women starts undressing and then kisses a man, as preparing for sex. In another scene, the same man and woman are shown cuddling up in bed, implying they have had sex.
A man kisses his wife's clothed breasts in public.