Mio Dio come sono caduta in basso! was released in the year 1974。Mio Dio come sono caduta in basso! is also called as como he caído tan bajo!, qué pecado!, How Long Can You Fall?, Meu Deus, ao Que Eu Cheguei, ¡Dios mío, comment suis-je tombée si bas?, Pecado à Italiana, Reikä yöpaidassa, Till Marriage Do Us Part, Mon Dieu。
The Marquise Eugenia di Maqueda, an orphan raised by the nuns, marries Raimondo Corrao, but on their wedding night she finds out that he is her brother. The piece of news is in a letter written from Paris by their father, a womaniser who lives and hides from them in the French headtown. The pair decide, to avoid the scandal, to live as brother and sister. He will later leave for the war in Lybia, she will find solace and sexual satisfaction in the arms of the family chauffeur.