The King of Spain, tired of the long-running feud and civil strife, issues a proclamation allowing Vitelli and Alvarez to resolve their difference through a trial by combat. When the time for the combat comes, the intended duellists are interrupted by Clara, Genevora, and Eugenia, who plead for a peaceful resolution. The combatants are obdurate; but when the three women arm themselves with swords and a pistol and threaten to fight too, the men finally accept a peaceful compact. With the feud pacified, Vitelli and Clara, and Lucio and Genevora, are free to marry.