A married couple are seen talking while in the shower together. They are only seen from the shoulders up, and no sexual activity is depicted in anyway.
There are a handful of conversations discussing infidelity.
A married man rides an elevator up to his room to retire for the night along with a woman. She makes an obvious nonverbal invitation for him to come to her room for sex, which he declines.
After a husband finds an email, he confronts his wife and she admits to having kissed a co-worker.
One character jokes about having phone sex.