Jeff arrives in town to see the Sheriff only to find him just killed. The culprit is Clay Wheeler. When Jeff becomes friendly with Letty, Clay sends his man Ortega to kill him. Jeff foils the attempt and gets him to confess that Clay was the killer. With only old-timers Lafe and Bill to help, Jeff heads after Clay and his gang.

"The Law Is Paralyzed and a Six-Gun Rules the Range...Until Johnny Mack Brown Thunders Into Action In His Most Exciting Adventures!"