The answer to this is left as an exercise for the reader.
Well, um … nothing wholesome.
(Actually, there’s a site online that has a database listing over 10,000 bondage scenes in movies and TV around the world, so I was kinda kidding. But it doesn’t do previews, because its like Wikipedia, user-maintained, and the users don’t generally see advance screening of films). You can generally find out if there’s a scene in a movie within a day or so of its release, though.)