At the Alcázar, the King and Don Diego, Don Juan's father, discuss the impending marriage to Isabela, as well as the newly arranged marriage between Mota and Doña Ana. Octavio then arrives and asks the King for permission to duel with Don Juan, and tells the truth of what has happened to Isabela to Diego, who was until now unaware of this particular misdeed of his son. The King and Diego leave, and Aminta appears, looking for Don Juan since she thinks he is now her husband. Octavio takes her to the king so that she can tell him her story.