Randolph Scott saddles up in three classic Westerns. In The Man Behind the Gun, he goes undercover in pre-Civil War California. Thunder Over the Plains has Scott maintaining order in postbellum Texas. Riding Shotgun pits him against a vicious gang. As the shotgun rider on a stagecoach line, Scott seeks revenge against the men who killed his sister and nephew. When he discovers the gang's dangerous robbery plan, he must warn the town.