Debbie Reynolds stars in one of the most popular of all Broadway musicals.Adventurous, young Molly Tobin (DEBBIE REYNOLDS) moves alone to the Colorado mining camp of Leadville with a dream of becoming rich. There, she marries tall and handsome Irish prospector "Leadville" Johnny Brown (HARVE PRESNELL), who soon discovers a gold mine almost as rich as Molly's ambition. But even with their newfound wealth, Molly is snubbed by Colorado's social leaders. Undaunted, she and Johnny sail for Europe, where Molly educates herself and the couple become beloved celebrities of European society.But they yearn for the Rocky Mountains of Colorado. Molly sails for America on the Titanic and becomes an internationally famous heroine, the "Unsinkable" Molly Brown, after her courage during the ship's disaster.