The Earl of Dunhaven, who disinherited his son for marrying an American, tries, on his deathbed, to leave his estate to his nephew, the Honorable Guy Wyndham. To stop him, the Dunhaven solicitor, John Grahame, travels to America and finds the earl's grandson, Jim Dunn, a Wyoming cowpuncher.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.