Wolfgang Krüger

High school student Fabian König is kicked out of school and starts a gang that specializes in theft. He falls in love with the orphan girl Ulla, but she rejects him when she finds out how he spends his time. When the pimp Horst tries to rape Ulla, she is rescued by Fabian. Shortly afterwards, Horst's body is found and Fabian is convicted of the murder due to the false testimony of a witness. In prison, he comes to trust the prison doctor Dr. Knittel, who believes him and is able to unmask the real culprit.

Kurt, an apprentice in a fish combine, is an ambitious loner. He wants to show what a good sailor he is at a regatta, but fails because of his recklessness and the storm. Disappointed, he seeks affection from the girl Anke, but she loves the apprentice Hannes. During a trip together with Captain Laue, who presents himself as a fatherly friend to Kurt, the boys get into an argument. However, when Laue makes an unscheduled call at Bornholm and Kurt discovers that Laue wants to sell the cutter's catch and equipment and flee, he buries his differences with Hannes. Together and with the help of the old fisherman Jens, the boys rescue the cutter.