While Rüdiger and Bärbel face the consequences of their actions, the other former classmates move on in more positive ways.

What must come after the assassination? Stauffenberg and Gersdorff discuss their strategies and their doubts.

Rüdiger finds himself in prison, subject to interrogation, and separated from his sister.

Germany is under attack and time is of the essence, but it is difficult to find co-conspirators. When Claus Schenk Graf von Stauffenberg returns to Berlin, it seems possible that they have found a potential source of help.

While their classmates in the West graduate, Rüdiger and Christian come to terms with their life in the East Berlin.

Gersdorff attempts to convince various high-ranking officials to join their plan, but not everyone believes that a coup would be the best solution for Germany.

After another failed attempt, Gersdorff and his co-conspirators contact other officers to assist them with the assassination of Hitler.

Rüdiger and Bärbel attempt to escape into West Berlin, but it doesn't go according to plan.

The restrictions placed on residents of both West and East Berlin intensifies to the point where the classmates aren't even actually allowed to have contact.

In a collage of historical reenactment and original interviews, this film looks at the assassination attempts made on Hitler towards the end of World War II.

After the border had officially been closed, the students were separated and often didn't know if their friends on the other side were OK. Luckily, a few letters got through.

What do you know about the Federal Cabinet of Germany? Cettina takes us through the next set of questions for the German citizenship test.

As the first incarnation of the Berlin Wall went up, the students and their families scrambled to make quick decisions.

Cettina takes us through more questions about the structure of German parliament and the roles of various politicians and assemblymen.

On the way back from their class trip, the students already have the feeling that their lives will never be the same again.

Jenny tells us the long and fascinating history of the town of Speyer and we get a glimpse of the town's landmark, its cathedral.

Tough decisions had to be made as the future became more and more uncertain. Even the annual class trip required students living in the East to travel separately.

Outside of the classroom, the students who travelled to the West for school were confronted with important life decisions and their consequences.

In the Middle Ages, people were resourceful when it came to battles. A group of scholars has worked to recreate medieval explosives and weaponry at Coburg Fortress in Upper Franconia.

Smuggling items to relatives who had left Berlin was a difficult mission. At the same time, it often seemed difficult to completely comprehend how high the stakes would be.

How did medieval castles in Germany defend themselves? And why were they built the way they were? This video takes us through a castle like those we often see in films.

As rumors began that the border was to be closed, the students began to wonder how their studies and lives would progress.

Did you know that the traffic lights in East Berlin had a different figure? Not only have they now been adopted in West Berlin, but a new three dimensional "Ampelmännchen" has now been created for the anniversary of Germany's unification.

The students at the Kepler School can spend their evenings out in West Berlin as well, but are constantly dealing with the boundaries.