During WWI, the Germans try to encourages and hires a band of certain Mexican guerrillas and bandits to make trouble on the Texas border and attack the Stonewall Farm. He plans this so the Americans will have no choice but to send more troops to Texas instead of Europe. Masterminding the plot is a German spy who has, at his disposal, the RX4, a specially equipped weapon-bearing automobile of awesome speed, but a U.S. Army lieutenant carries the day with his own fleet of Model T racers.
as Lt. Matt Jones
as Coral Adams
as Fred Smith
as Villa Nueva
as Doc Bailey
as Capt. Mundy
as Pvt. Hansen
as Sgt. Bond
as Hilda
as Stonewall Adams
as Martha Adams
as Sanchez
as Juan
as Little Cloud
