Zorro Rides Again (1937)

The CaliforniaYucatan Railroad being built for the good of Mexico is under siege by a gang of terrorists hoping to force its sale no one can prove their connection to profiteer Marsden Manuel Vega aged coowner calls in the aid of his nephew James greatgrandson of the original Zorro Alas James seems more adept at golf than derringdo but after he arrives Zorro rides again Can one blackclad man on horseback defeat a gang supplied with airplanes and machine guns