Two two-bit singers become thieves to make ends meet. One day during a theft in the house of a music impresario they hear Marco an electrician gifted with a beautiful voice and give him some money to help for his debut as a singer.
Two fellow soldiers fight for the love of the same girl, are constantly picked on by the older soldiers about to be discharged and are involved in the staging of a show in the military barracks.
O professor Franco Bresci, um jovem perito em línguas orientais, é contratado por um diplomata, Bernard Stork, para que seja tradutor. A seguir apaixona-se pela secretária do chefe, Ellen. Franco é despedido por um erro de tradução e em suas imprecações invoca o diabo, que lhe aparece e o faz saborear a celebridade, encarnando-o nos corpos de um tenor e de um boxeador.
Rather than renouncing his artistic dreams and working in his father's company, a young man, who is vocally equipped, is content to perform at street corners. This allows him to know and fall in love with a beautiful blind girl.
A young farmer, with a magnificent voice, receives an invitation to present himself in a large theater to be hired. In reality, the invitation is a joke made by his cousin.
