The ranchers of Sundown have to sell their cattle at a loss after they have been hit by a drought. This is the only way to meet their mortgage payments. But then the hoof-and-mouth disease breaks out among the cattle. Therefore, Sheriff Tex has to quarantine all the cattle on local ranches. As Steve does not follow the order he gets arrested by the Sheriff. The angry ranchers urged by Nick, the bankers son, storm the jail, but Steve’s sister convinces them to wait for the trial. Tex discovers that Nick and his men use acid on the cattle to give a wrong impression of the disease.
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