Sally comes from a small town to Berlin, where he begins an apprenticeship with his uncle. He helps his uncle with the bread production and dreams of becoming a famous tenor. One day he is discovered. A group of wealthy gentlemen form a limited company and finance Sally's singing lessons. The day comes when Sally is finally allowed to sing Lohengrin in the opera. His success is prevented by his greatest rival and envy, who sprinkles itching powder on his costume shortly before the performance. Sally returns to his uncle's company, where he finds solace with his cousin.