After being rescued as infants from a sinking ocean liner in 1914, Marian and Jamie Graves are raised by their dissolute uncle in Missoula, Montana. There--after encountering a pair of barnstorming pilots passing through town in beat-up biplanes--Marian commences her lifelong love affair with flight. At fourteen she drops out of school and finds an unexpected and dangerous patron in a wealthy bootlegger who provides a plane and subsidizes her lessons,...