Aventuras de Jim Texas: El monstruo ataca

This Spanish-language pulp serial, titled "El Monstruo" (The Monster), depicts a criminal conspiracy narrative set in the American West and Washington, D.C. Oliver Zenker, a scheming secretary, has been defeated by his nemesis Captain Jim Texas but escapes with plans to manipulate events further. Believing he has killed Vera (Texas's companion) and her child in a cave, Zenker travels to Washington to reorganize his forces and locate his employer, the financier Spack, who escaped from Texas's ranch. Zenker reunites with Spack in Boise, Idaho, fabricating a false story: that Vera has died at Jim Texas's hands. The distraught Spack, weakened from his ordeal, accepts Zenker's lies and vows vengeance. Meanwhile, Zenker positions armed men in Nevada City to execute future plans, having embedded operatives throughout the region.