Don Luis O'Flagherty (Ken Maynard), a daredevil comes to the rescue of his long-lost father, "Tiger" O'Flagherty (George Nichols), the supervisor of a supply-wagon train destined for the miners in Sonora. Tiger is being terrorized by Jesse Wilks (J.P. McGowan), who hopes to starve the miners out of their claims. Falling in love with Tiger's ward, Sally (Dorothy Devore), Don Luis manages to turn the tables on Wilks, who is killed attempting to rob the supply train.
| Actor | Role |
|---|---|
 Ken MaynardDon Luis O'Flaherty | Don Luis O'Flaherty |
 Dorothy DevoreSally Blake | Sally Blake |
 George Nichols'Tiger' O'Flagherty | 'Tiger' O'Flagherty |
 Josef SwickardJuan Estrada | Juan Estrada |
 J.P. McGowanJesse Wilks | Jesse Wilks |
 Sheldon LewisRatburn | Ratburn |
 Buck BlackPat Muldoon | Pat Muldoon |