Key to the City (1950)

Steve Fisk (Clark Gable) is a longshoreman turned mayor of a small California city. Clarissa Standish (Loretta Young) is an upper-class, college-educated woman and mayor of a little town in Maine. While attending a mayors' convention in San Francisco, the two opposites meet and eventually fall in love. But romantic misunderstandings during the convention, and political dealings with Fisk's rival, crooked politician Les Taggart (Raymond Burr), threaten to put a stop to their romance.