A seemingly good-natured man with a wife and child is sent by his town to Fort Worth to hire a schoolteacher for the town's school. On the train, he meets up with a con man and his moll, but the latters plans to bilk the nice guy out of his money are interrupted by a train robbery by a brutal gang. In time, it is found out that our hero was once a cold-blooded killer who ran with that gang headed by his uncle and reformed himself.