Hans-Jürgen Degenhardt

During the Spanish Civil War (1936-1939), five International Brigade soldiers of different nationalities are given a crucial assignment as their commander lies dying: they are to smuggle top-secret information across enemy lines.

Ed Martin witnesses a murder at the hotel. Although the perpetrator is caught, he had previously taken papers from the victim's bag that prove a criminal connection between politicians and gangsters. The murderer's silence is bought with his release. But as the case has stirred up too much dust, a new perpetrator has to be found: Ed Martin, who witnessed everything. Beaten half to death, he confesses to the crime, but later recants. In the meantime, he has also found friends who want to defend him. Then he is found dead in his cell. The police who hanged him claim suicide.

Railway employee Fritz Marr is not regarded well by his superiors. It is the year 1920, and trains regularly pass the railway hub of Erfurt to the East to secretly transport weapons for the fight against the young Soviet Union. Marr knows about this and wants to mobilise other workers to stop these illegal deliveries. To muzzle him, Marr is relocated to a remote rail work construction site.

In the small town of Benderath, Jewish high school student Jakob is the victim of hostility because of his religion. He forms the student group "Trojans", which supports Jakob and does not tolerate the hate speech.

Several children find out what's the matter with a wreck offshore, which puts them into jeopardy.