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.
Ken Maynard
as Don Luis O'Flaherty
Dorothy Devore
as Sally Blake
George Nichols
as 'Tiger' O'Flagherty
Josef Swickard
as Juan Estrada
J.P. McGowan
as Jesse Wilks
Sheldon Lewis
as Ratburn
Buck Black
as Pat Muldoon