As the synopsis says, this film is about sex and relationships. Nothing more. Several people in the film have multiple partners, each one not knowing about the other.

A woman's breasts are briefly seen as she's laying in bed.

Multiple couples are shown having sex throughout the film, with no explicit nudity.

A women's breasts are shown in the bathroom.

A woman is on the floor, fully nude, begging a man to have sex with her. We see breasts and butt very clearly.

A man is laying in bed without his pants on. his penis is seen.

A girl in a bathroom without clothes. Breasts seen.