Smith is an iron-willed railroad detective. When his friend Murray is fired from the railroad and begins helping Rebstock wreck trains, Smith must go after him. He also seems to have an interest in Murray's wife (and vice versa).

Directed by: Leslie Fenton
Written by: Frank Butler & Karl Kamb
Runtime: 89 minutes
Tagline: A new Ladd thrills the Old West !
Cast:
Alan Ladd Alan Ladd
Whispering Smith 
Robert Preston Robert Preston
Murray Sinclair 
Brenda Marshall Brenda Marshall
Marian Sinclair 
Donald Crisp Donald Crisp
Barney Rebstock 
William Demarest William Demarest
Bill Dansing 
Fay Holden Fay Holden
Emmy Dansing