American Methods: William Armstrong, an American whose family is from France, inherits an iron mine in France. With his sister Betty, he travels to France to take over the business. In the village near the mine lives Claire, the daughter of a wealthy family, who is engaged to the scheming Duc de Bligny. When Claire's family loses all their money, the Duc dumps her for the daughter of a wealthy manufacturer. Armstrong and his sister find themselves caught up in this intrigue, which becomes more complicated when Armstrong falls for Claire.