Ranch owner Tex McCloud is convinced there is oil under his property and brings in a drilling rig and equipment to drill for it. But a gang who wants the property wage a sabotage and theft war against him.
On a mission to discover the identity of the rustlers of the cattle on Britton ranch, Blue Streak O'Neil exposes the villains mingling with the sheriff's posse. Having won the ranch for the heroine, he accepts from her a half interest in it, and also her love.
A ranch foreman captures a notorious gang of gold thieves. He ties them up and leaves them for a pursuing posse while he goes out to find the gold they stole. When the posse arrives, the gang's leader convinces them that the foreman is actually the gold thief, and the posse sets out in pursuit of him.
