l'ambasciatore (1936)

the spanish ambassador is sent to the court of the grand duke of modena to conclude the marriage between the infanta cristina and duke paolo, nephew and heir to the throne. however, the king of saxony also sent his ambassador to combine the marriage between the same young duke and the princess. while the two ambassadors fight with the most subtle and subtle weapons of diplomacy, the daughter of the spanish ambassador loves, in return, the knight of st. elmo, even if opposed by her father. between intrigues, misunderstandings and subtle skirmishes, things get complicated but it will be the young knight who unravels the skein, convincing the spanish ambassador to grant him his daughter's hand, after the revelation that the duke is already married.