A current one comes to mind --The Horse Whisperer.
To spoil it for you, ...
Redford and Thomas part ways while in the movie wthut ever consummatng
their romance. In the novel, they do, the main character dies, and his
lover has his baby.
Kate
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Online resources for film/TV studies may be found at ScreenSite
http://www.tcf.ua.edu/ScreenSite