Gene returns from the East with new ranch owner Tom Bennett to find everyone's cattle dying. Blaine has reopened the copper mine and the waste is poisoning the water supply. While Gene is away Tom confronts the miners and a man is killed in the ensuing gunfight. Now Gene not only has the dying cattle problem but his ranch owner is in jail.

• Republic Pictures
• Gene Autry
• Smiley Burnette
• Mary Lee
• Julie Bishop
• Edward Norris
• Addison Richards
• Arthur Loft
• Edmund Elton