Leonella and her niece, Antonia, visit a church to hear the sermon of acelebrated priest, Ambrosio, and while waiting tell their story to two young men, Don Lorenzo and Don Christoval. Antonia's Grandfather is the Marquis de las Cisternas, who was unhappy with his son's marriage, causeing her parents to flee, leaving their young son behind only to be told a month later he has died.