An average Los Angeles citizen witnesses a gang murder when he stops to use a telephone. When he presents himself to the LAPD as the only person willing to identify the culprits, he opens himself up to a campaign of intimidation from the gang involved.
Ma and the kids head out to help Pa's brother Sedgewick with the his farm in Mournful Hollow, Arkansas. Things get tighter when a couple of bootleggers rent Sedge's barn to manufacture moonshine. With Ma and the kids, the bootleggers get their pay.
Ex-Pony Express rider Autry ties to protect his US mail franchise as the Pony Express gives way to stage coach mail and the telegraph. Gene's last film appearance as a singing cowboy.
