Murphy's Romance  James Garner, Sally Field.avi
Go here http://www.imdb.com/title/tt0089643/
Emma is a divorced woman with a teen aged boy who moves into a small town and tries to make a go of a horse ranch. Murphey is the town druggist who steers business her way. Things are going along predictably until her ex husband shows up, needing a place to stay. The three of them form an intricate circle, Emma's son liking Murphey, but desperately wanting his father back.