The Merry Widow (1925)

Prince Danilo falls in love with dancer Sally O'Hara. His uncle, King Nikita I of Monteblanco, forbids the marriage because she is a commoner. Thinking she has been jilted by her prince, Sally marries lecherous old Baron Sadoja, whose wealth has kept the kingdom afloat. When he dies suddenly, Sally must be wooed all over again by Danilo.