Santo vs. the Riders of Terror

After a group of violent lepers escapes from a sanitarium, – robbing several farms, residents of the town demand the the sheriff – take action. Meanwhile, a local criminal joins forces with the lepers – to commit even more robberies. As the disfigured madmen keep the – entire town indoors with its reign of terror, the sheriff has no – choice but to call on the only man who can help–legendary wrestling – superhero, Santo!