Larry Lang has carried the memory of his father's killing by Claude Dutton since his youth and is determined to avenge the crime. The townspeople of the small western border town believe Larry is "plumb locoed" because he employs a rowdy gang of cow punchers for only a few head of cattle. Dutton is ensconced in Bottle Canyon, the neck of which is constantly guarded by his men. When Dutton's henchman Two-Gun Dan fails to capture Larry, Dutton attempts the job himself. Meanwhile, Larry's cousin Dora Lawrence arrives to make her home with Larry who is to be her guardian. Larry's men are absent, and while Mexican bandit Pedro holds Dora, Dutton searches for a large sum of money hidden in Larry's bed. Larry returns and kills Dutton, then a romance develops between Larry and Dora.