A story spanning three generations, from 1871 to 1945. When Gustav Wengler, a farmer’s son, returns from the Franco-German war in 1871, he goes to work for a precision mechanics and optical company, where he soon becomes a master craftsman. Wengler loyally promises the owner on his deathbed that his sons and grandsons will also stand by the company.

Czech friends help refugees from Nazi Germany escape in 1939.

At the beginning of the 1960s, a German turns up on behalf of the NATO in the British village of Rocksmouth. NATO wants to establish a naval base in Rocksmouth, but first, the German envoy has to salvage an old ship wreck. In 1942, the "Princess of India" was supposed to bring children to safety in Canada but was sunk by a German submarine at departure. 58 people were killed, most of them children.

In a backwater town, opera director Andrej Wischnewsky is supposed to put on a production of Mozart's "Don Giovanni".

August 1961. The former Foreign Legionnaire, King, has collected a gang of hooligans, with whom he creates mischief in the GDR. After some careless work on a construction site, an event during which two people lose their lives, they move to a campsite on the Baltic Sea. With sputtering mopeds, loud radios, and occasional outbursts, the gang makes the vacationers' lives living hell. Unfortunately for them, Lieutenant Czernik discovers the connection between them and the accident at the construction site. To stop them from fleeing to West Berlin, Lieutenant Czernik and the police need to arrest them, one at a time, with King as the last.

Wolfgang is a bully, but overall he‘s not a bad guy. However, not everyone in Thuringia, where he goes to school, is sympathetic to him and his buddies. His daring adventures often go too far - up to and including stealing three bottles of liquor. Meanwhile, the new head of the boarding school knows how to use the undisputed skills of hooligans for the common good. Together with them he founds the "Cabaret of Debaucheries". With sharp jokes and music, they now pounce on slackers, slackers and drunks - and in the process slowly change for the better.

A radio signal attracts a team of astronauts to a mysterious planet. Once there, they are warmly welcomed by an alien race, but are soon suspicious of what is really occurring on this strange land.

Egon Brümmer and his half-strong "boys" are an integral part of the Borkenheide Musical Club. When the manager of the clubhouse forbids them to rehearse in his rooms, Egon and his friend Paul react by hitting on the visitors to a nearby Christmas party. Both are sentenced to six months in prison without parole for assault. When Egon gets out of prison, he wants to leave his old life behind him. He tries to avoid the boys, but they don't understand his change of heart. He starts working as an unskilled laborer on a building site, just as he did before he went to prison. At a graduation ball, Egon meets Christine Lange, who wants to study medicine. Her friends call her the "eighth wonder of the world" because it would be a miracle if she were to fall in love. Egon pretends to be a construction specialist and the two dance together.

A new member joins Trumpolt's road construction brigade - Wenzel Heiseke, who has a reputation for being a loudmouth. But he has actually been dismissed because of his critical words. Trumpolt believes he can turn him around with his tried-and-tested hair-pulling method, as there are no problems in his decorated brigade. But unexpectedly for him and his colleagues, the newcomer remains stubborn and silent, refusing to be provoked by anything. His strange behavior divides the brigade. Conflicts in the teamwork that had previously been forcibly covered up erupt. Wenzel's silence is instructive for the brigade; they no longer want to do without him, who has found his way back to some truthful words. However, his behavior with the pretty Martina from the construction office almost leads to shipwreck ..

Photo model Monika Stange is found murdered in her apartment in a major West German city. Detectives Bentheim and Laube find rough diamonds hidden in the apartment. The trail leads to a racketeering ring and the influential industrialist Dr. Vogelsang. The latter is not prepared to get involved in the murder case under any circumstances and refuses to testify. Inspector Laube tries to solve the case without his colleague.