It is the night before the battle in the French camp near Agincourt. The Constable, the Duke of Orleans, Lord Rambures, and the Dauphin (who is present against his father's orders) are boasting about who has the best armor and the best horses. When the discussion turns from the wonders of the Dauphin's horse to the splendors of the others' mistresses, the Dauphin exits to ready himself for the battle. The Constable then has a discussion with the Duke of Orleans concerning the Dauphin's bravery. A messenger enters to announce that the English are camped only fifteen hundred yards away. The Constable and Orleans contend that the small English army cannot be very smart if they mean to fight them, but Rambures reminds them of the courageousness of the English. Nevertheless, the Constable and Orleans are certain that it will be an uneven battle and that by ten o'clock they each will have captured a hundred Englishmen.
In this scene, Shakespeare continues his satirical presentation of the French nobility by contrasting the seriousness and sobriety of the English with the superficiality and pretentiousness of the French. By doing so, Shakespeare continues to make the French appear rather ridiculous. On the night before a major battle, the French nobility join in an absurd banter concerning the value of their horses. The contrast between Henry, King of England, and the Dauphin, heir to the throne of France, is made obvious in the conversation of each man before the major battle. The Dauphin's main concern is with the beauty and perfection of his horse — a "beast for Perseus; he is pure air and fire; the dull elements of earth and water never appear in him. . . . " When the Dauphin then goes on to remind his comrades that he once wrote a sonnet to his horse, which began with the words "Wonder of nature," the Duke of Orleans sarcastically says that he has "heard a sonnet begin so to one's mistress." The Dauphin, however, is not even aware of the subtle reversal of values. Furthermore, to continue the contrast between Henry and the Dauphin, Shakespeare introduces the subject of the Dauphin's bravery; the Constable wonders if the Dauphin will stand and fight, or if he will be like a hawk, which, when released, will take flight.
Throughout the scene, therefore, the French nobility reveal a rather fundamental moral carelessness which will be reflected in their resounding defeat at Agincourt. The Duke of Orleans and the other nobility speak of King Henry with utter contempt and of Henry's English soldiers as the king's "fat-brain'd followers" who, if they had any wits, must have "left their wits with their wives." In other words, Shakespeare is preparing his audience with reasons why the French nobility, outnumbering the English five to one and on horseback, are soon to be defeated by English yeoman, who are "with sickness much enfeebled." The French, believing in and relying on their inherent aristocratic superiority, will go to battle incompetently prepared and will meet their deaths at the hands of English soldiers who are inspired by the noble spirit of their king and thus, by perseverence, discipline, and a belief in "Harry, England, and Saint George" will win the battle against overwhelming odds.