Enrique Osario and his friends sought only justice when they went after the notorious Antonio Valdar, but tales of their bravery rang out across the West, making these humble men the stuff of legend. Enrique hears that his grandfather is working at a plantation outside Hermosillo, a thriving town in Sonora, Mexico. In Hermosillo, Enrique finds that Arriquibar Sosa, who runs the town with an iron fist, has taken his grandfather prisoner. And when he refuses to become one of Sosa's thugs, Enrique is taken prisoner as well. Good thing he never travels alone... Enrique's riding partner, Sereno, sends word to their old friend Pang Lo, who immediately contacts Chas Dutton. And when the old crew gathers in Sonora, freeing their friend is only the first order of business. Taking down the Sosa regime is next. But finding Enrique's grandfather may be the biggest challenge of all...