In the eighteenth-century Rome, Don Pasquale Corneto, wants his young nephew Ernesto, dedicated to a wasteful social life, to marry a rich spinster, both to save on the expenses of his maintenance and to increase the family heritage.
In Pisa, chance forces an old bookseller out of his isolation. He unleashes the fury of the tenants of his building, he undergoes the rigors of the law and he is involved in the adventure of two lovers whose marriage he arranges.
Old fashioned opera adaptation: A feisty and free spirited woman of the Tyrol withdraws to a mountain peak when she is separated from the man she loves. When he later attempts to rejoin her, disaster results.
During a reception in a villa, wealthy banker Calandri is killed in the park with a gunshot. The gamekeeper Barra is immediately arrested, but he declares himself innocent. During the trial it turns out that the defendant had threatened the victim, guilty of courting his sister-in-law. But the...