Jim Vesser and his team of railroading men try to build a rail line through a mountain pass, while a group of less scrupulous construction workers sabotages the entire operation in the hopes that they can get their tracks laid first and get the money from the railroad.

An old rocking chair makes a story out of Old Boggs, his daughter Madge, and her boyfriend Jack.

When two US cavalrymen transporting a gold shipment get killed, US Army Intelligence investigator John Haven goes undercover to a mining and logging town to find the killers.