Sailor Freddy entertains the guests at "Uncle Max's" with songs on the guitar. This earns him more than just a few tips. The waitress Susi falls in love with the honest guy with the strong voice. Journalist Katja, who is strolling through St. Pauli with her fiancé, also notices the singing sailor....
After the death of his mother, little Peter lives with his great sister Helga at his adoptive father Professor Hartmann. Peter is seriously ill, can not get upset and therefore also on the advice of his doctor Heinz Stark no more music. Even his revered Donkosaks , who remember him with their songs...
