Dr. Stefan Burger wants to take over the management of a home for children. Together with Rena he gets involved in a small scam.

Bank manager John Valera is a man of the world, a dazzling-looking gentleman from head to toe. Tired of his business, he one day leaves everything to have a rest, leaves his workplace in Berlin and travels incognito to Italy, where he wants to unwind and spend a holiday like never before. As his travel budget starts to shrink more and more, Valera is not reluctant to accept various jobs and earns his living as a jazz trumpeter, servant, chauffeur and assistant to a gang of thieves.

The Gangster Macheath secretly marries the daughter of beggar king Peachum. When Peachum finds out, he instructs the police chief Brown to arrest and hang Macheath. If not, all the beggars of Soho will disturb the upcoming coronation.