Businessman Braa has many enemies and is put in prison after a scam. While in prison his wife dies of a serious illness, while Roll takes over the business. But he is not popular with the workers. When Braa gets out, it's time for revenge.
Street musician Markus goes from town to town earning money on accordion for a fee. He becomes popular with the boys in the street and also with Vivian who becomes his girlfriend. One day one of the boys is so unlucky pushing the accordion into a rivere. This causes Markus to lose his livelihood, and with a sick mother his existence is put to the test. It takes 10 boys to do something about. They raise money by putting on a show in the theater and bringing two celebrities to the play.