This film continues the story of radio operator Ludwig Bartuschek from “The Sailor’s Song”. Near the end of the Weimar Republic, Bartuschek (Erwin Geschonneck) is working as a mechanic in the Sperber airplane plant. Director Dehringer offers him the opportunity to train as an airplane constructor if he is willing to give up his communist beliefs under oath. Bartuschek will not allow himself to be bought and instead joins the underground resistance movement.
A Jewish chief of surgery in 1933 Germany remains blind to the rising Nazi threat, dismissing political dissent from his son and a patient, until his family faces increasing anti-Semitic persecution.
After the brutal murder of the prostitute Vera Paterny, Inspector Reinisch hardly makes any progress with the investigation. Vera's colleague Sonja reports on wild sex parties of the murdered and mentions names, prominent names.
