Act II: The king demands the return of Constance but Alamir vows to protect her. Alamir’s army, in alliance with the French, defeats the Castilians. Constance feels herself falling more and more in love with Alamir but she is reluctant to hurt Sanchette and sees Alamir’s lack of noble birth as a barrier to their union. The Graces distract her from her cares with a divertissement.