After finishing his pirate epic THE BUCCANEER, Cecil B. DeMille was caught in a quandary regarding his next picture. Should it concern planes, ships, or trains? Deciding on trains, he faced another choice: the Union Pacific or the Sante Fe? The producer-director of spectacles reportedly
flipped a coin, and UNION PACIFIC landed face up.
McCrea stars in this lavishly produced western, playing the supervisor of the construction of the Union Pacific Railroad. While on the job, he meets Stanwyck, a tough but feminine postmistress for the railroad. McCrea falls for her; meanwhile, Kolker, a seedy politician with a financial interest
in the rival Central Pacific line...