The Poster of film is shown
After Seth says that a romantic encounter that he and Jessica witnessed reminds him of a love scene from a Clark Gable / 'Jean Harlow' movie, Jessica asks him what he knows about those movies and Seth asks if she would like a rundown of Red Dust, Saratoga, China Seas, or Wife vs. Secretary.
Poster seen at the movie theater
The main character tells the plot of the movie
Mentioned by title.