Oklahoma lawyer Al Jennings, whose father was a famous and respected judge, is enraged at the murder of his brother Ed, shot in the back by two killers. As if that wasn't enough, he finds himself falsely accused of robbery, and while escaping those phony charges he is chased and shot by a posse. Although wounded, he manages to elude the posse but takes his revenge by robbing a country store. It's not long before he has his own outlaw gang, with headquarters at the Spike S Ranch. A local sheriff is determined to capture him, so Al and his brother Frank make plans for one last, big robbery before leaving Oklahoma forever.