Rescued from the Colorado River as an infant and raised by Seamus Tobin, tomboy Margaret Brown is determined to find a wealthy man to marry. She journeys to Leadville, Colorado and is hired as a saloon singer by Christmas Morgan. After miner Johnny Brown renovates his cabin, the two wed, and he sells his claim in a silver mine for $300,000. Soon after the money Molly hid in the stove is accidentally burnt, Johnny discovers the richest gold vein in state history.