en Cuevana 3. In this adaptation of Zane Grey's novel, adventurer Dick Gale (E.K. Lincoln) is traveling through the Southwest. He helps rescue Mercedes Castanada (Margery Wilson) from the clutches of notorious outlaw Rojas (Walter Long). Mercedes' fiancé, Captain George Thorne (Edward Coxen), entrusts her to Gale's care when he returns to duty.