Kit and El Toro are entrusted with protecting the west's first Gatling gun, which is wanted by a gang headed by a woman who is a wanted Confederate war criminal.
Bill Tucker's stage line is under attack and Kit with El Toro come to investigate. They begin to see suspect driver Jed who has gambling debts and a volatile nature. When fellow driver Sam Mask disappears foul play is suspected.
In order to find out what's behind a mysterious businessman's determined effort to find out when the army is going to build its next forts, Kit fakes his own death and poses as an outlaw.
Kit and El Toro are escorting Eli Thatcher a Federal prisoner. When a sheriff informs them up of a rescue plot El Toro hides Eli. But their prisoner disappears and Kit must find him.
Kit and El Toro drive off a blind outlaw and his Indian partner who were trying to kidnap a young woman from a stagecoach. They soon find they didn't realize how much trouble it is going to cause them.