Desc: Rio Grande Raiders: Directed by Thomas Carr. With Sunset Carson, Linda Stirling, Bob Steele, Tom London. Sunset Carson, ace driver for the Harding Stagecoach Line, persuades his boss Frank Harding (Edmund Cobb) to hire his brother Jeff (Bob Steele), recently released from the penitentiary. Sunset isn't aware that Jeff owes his release to Marc Redmond (Tristram Coffin), owner of the rival line, and that Redmond is forcing Jeff to give him advance information when the Harding stages are carrying valuable shipments so that his henchmen can rob the stage and force Harding out of business.