Scene of a movie I saw from mid 80's to mid 90's... a horse farm veterinarian hangs himself in one room while his assistant/girlfriend has sex with a guy who took them hostage, in another room. This guy who took them hostage was hurt and demanded the vet help fix him up.

The Getaway (1972) (http://www.imdb.com/title/tt0068638/)

There was a remake done in 1994: http://www.imdb.com/title/tt0109890/