Using the example of three generations of a Hamburg working class family, the rise of the working class from the founding of the Wilhelmin Empire to the First World War, over the time of the Weimar Republic and National Socialism to the destruction of the Third Reich.

Josef Neumann has always been an outsider to society, and at the age of 30, he has already lived an adventurous life when he comes to the GDR. He was raised as a foundling by nuns, made an apprenticeship as a construction worker, went to the Foreign Legion, and was a seaman and a tramp. Now, he is working at the Warnow shipyard. Brigadier Bruno has a lot of sympathy and patience with the unconventional Josef, but Josef cannot fall in line with strict orders and again and again acts against the rules.

During a weekend spent on the island Hiddensee, the snobbish high school student Jan, who has just been expelled from school, meets Christine. Christine is impressed with his bragging attitude although he just uses it to hide his insecurity and his remorse about the fact that he was sacked. Naturally, he keeps quiet about his current situation. Christine’s companion Hannes is less thrilled about Jan. Later on, the three of them meet again at a dockyard in Stralsund. After the disreputable end of his school career, Jan is assigned to the very brigade in which Christine and Hannes work as a crane operator and a brigadier respectively.

Martin′s and his girlfriend′s Kathrin′s childhood comes to an abrupt end in 1920, when their Mecklenburg village is drawn into the events surrounding the Kapp putsch. By accident, Martin discovers a charge of weapons that land owner von Bröder had put away for the reactionary forces, and gives them to the workers in the city. When the village starts to organize a strike against the putsch, soldiers arrive at the village to hold down the residents of the village.

In November of 1939, the British consulate in Norway receives documents saying that the Nazis are conducting secret rocket research in Peenemünde. But the British doubt the authenticity of the so called "Oslo report". Thus, the Germans continue their experiments unimpeded. At the same time, resistance groups from France, England, Poland, and Germany try to find and to sabotage the secret Nazi research base. When the first "V 2" rocket is successfully launched, the Allied commanders finally become interested in the "Oslo report".

Daniela – a single mother, whose boyfriend left for the US – believes wholeheartedly in Cuba's revolutionary new order. Meanwhile, in Florida, a plot is afoot. Under the command of an American officer, four Cubans ex-patriots and a Guatemalan land on the Cuban coast to prepare a US invasion of the island. Daniela's superior, the corrupt Cuban officer Palomino, is secretly helping the invaders and the young woman becomes entangled in the intrigue.

A Saturday evening dance in the village pub is interrupted when the barn of local farmer Paul Gäbler catches on fire. The farmer himself is soon found – hanged. Sawmill owner Züllich claims that Gäbler committed suicide because he was forced to join an agricultural production cooperative, but others are convinced Gäbler was murdered. Officers Schneider and Anders must navigate their way through a complex maze of personal and political motivations in order to reconstruct the crime.

GDR border guard Gunter Rist is a young man from humble homes. During a swimming competition he meets Penny, a professor’s daughter from a good family, and they fall in love. However, their different social backgrounds get in the way of their happiness: Penny’s friends make it obvious that they are not willing to accept Gunter in their group. Although Penny takes Gunter’s side, she doubts if love can overcome all obstacles. In this state, she falls for the advances of her ex-boyfriend Bob and joins him on vacation. In the meantime, Gunter has an accident and is hospitalized. In the hospital, he meets the nurse Li who seems to be perfect for him.