 Wealthy J.W. Grant hires Henry Fardan, Jake Sharp, Hans Ehrengard, and Bill Dolworth, each a specialist in his own field, to go into Mexico to bring back his wife, who has been kidnapped by the revolutionary Raza. Fardan and Dolworth, old comrades of Raza s, know both the territory and their foe, but a surprise awaits when they locate the captive Mrs. Grant.