One of the last bills signed by President Lincoln authorizes pushing the Union Pacific Railroad across the wilderness to California. But financial opportunist Asa Barrows hopes to profit from obstructing it. Chief troubleshooter Jeff Butler has his hands full fighting Barrows' agent, gambler Sid Campeau; Campeau's partner Dick Allen is Jeff's war buddy and rival suitor for engineer's daughter Molly Monahan. Who will survive the effort to push the railroad through at any cost?
The zany plot follows nitwit Gracie Allen trying to help master sleuth Philo Vance solve a murder.
Joyce and Fred MacNeil's honeymoon comes to an abrupt and unsatisfying halt when Fred is accused of murder. Railroaded into prison through the efforts of politically ambitious assistant DA Marlin, Fred awaits his doom on Death Row, while Joyce works overtime on the outside to clear her husband's name
