Rex Allen ('Rex Allen'),a U. S. government veterinarian, rides into the picturesque town of Pine Rock, near the Canadian border, to take the place of the regular vet who is on vacation. Used to doctoring animals in Texas, Allen finds out that herein the heart of the fox-faming industry, he is to doctor the most finicky and high-priced of fur on four feet. On the farm of Mel Richards (Tom London),Allen learns the habits of the valuable creatures from Richard's niece, Jane (Mary Ellen Kay, and her ten-year-old brother Danny (Jimmy Moss'),and on his own learns that the trusted owner of the trading post, Steve Baxter (Roy Barcroft) heads a gang that is smuggling counterfeit money across the American/Canadian border in the fox cages.
Border Saddlemates
Baxter is transporting counterfeit bills across the border in the bottom of fox cages. When veterinarian Allen places the fox ranch under quarantine tying up the bills, Baxter's plan to get at the money means trouble.
