Molly O'Day and her brother, Josh, are homesteading on and trying to make a living on a piece of government land, but local rancher Dave Crenshaw claims the land is part of his holdings, and he and his henchmen try to drive the O'Days off. Cowhand Jerry Wilson and his dog, Dynamite, come to their aid against Crenshaw.
Dynamite the Dog
as Dynamite (as Dynamite the Devil Dog)
Joan Alden
as Molly O'Day
Edmund Cobb
as Jerry Wilson
William Steele
as Dave Crenshaw (as William A. Steele)
Maurice Murphy
as Josh O'Day
George Plues
as Henchman
Frank Baker
as Henchman
Owen Train
as Henchman
