A man and woman undress. The woman's breasts are clearly visible for a few seconds. They kiss passionately, and its implied that they have sex.

An older woman moans with pleasure. It is implied that another man is performing oral sex off screen as we only only see the woman from chest up. She is wearing a bra and no nudity is shown.

after sex scene Adriana Ugarte bare butt is seen 2 seconds

A woman straddles a man in train. They are fully clothed and by their position it can very clearly be seen as simulated.

In another scene, a man is seen thrusting against a topless woman in a boat. Both of them are nude but no nudity is shown as their bodies are covered by each other.