Dr. Peter Holmes (Carl Moehner), zoologist and veterinarian, relectantly agrees to permit his dog, Wolf, to be used in a launch project commissioned by the International Conference of Science, at Geneva, to study body function and survival in outer space. Holmes had discovered Wolf as a pup in the forest, only to lose him again in a flood, and is fearful of risking the dog's life again.

In a casino in a We'5t German health resort, one often sees Sybille - an attractive young student actress. With her winnings from the roulette table, she attempts to finance her studies. Despite a rather lucky streak, her winnings are a little on the lean side. She doesn't, however, gamble with her own money but with that of Dr. Busch, a lawyer, who likes to stay in the background with the argument that gambling houses are not the proper turf for a serious lawyer. From him, Sybille receives only a small share of her winnings later, and only through the intervention of Gerhard Fischer, a journalist, does Sybille come to realize her role in Dr. Busch's fraudulent scheme.

Actually, the Düsseldorf musician and composer Peter Weselin only wanted to spend his placid vacation with his uncle in the Vogtland village of Klingenthal. But in the city famous for its manufacture of musical instruments, the annual music festival is about to start. For the festival, the accordion factory asks Peter for a large composition for the symphonic orchestra. Furthermore, cute Anna asks him to write a pop song for her youth dance band. Thus, Peter finds no rest during his vacation.

In the Danish port city of Belgesund, the caretaker of a private high school has fallen victim to murder. Detective Thomsen takes on the case and finds that behind the clean facade there are abysses. He has five suspects in mind: the teacher Berling, who is having a relationship with a student, the twin brother and sole heir of the murdered man, the murdered man's shady roommate, the primary school teacher Klaus Erikson and his brother Jakob.

A story about a family after the Second World War. The petty bourgeois cashier Karl Weber of Berlin observes from a distance how his son Ernst participates in the building of a new socialist society. Karl does not understand Ernst's visions, instead he confides in his other son Harry. However, Harry becomes involved in illicit business and Karl quickly realizes that it would be best to join his son Ernst in the citizen-owned factory.

Post-war Germany 1945: Two rival gangs of uprooted boys fight each other in the ruins of Berlin, whose business is the black market out of necessity in order to survive. Their respective leaders are Gerhard and Dietrich. A pretty young circus artist named Corona comes to the destroyed city with a traveling circus. She immediately caught the boys' attention. When the latter notice that the circus director is abusing the girl, the two gangs join forces and plot an act of revenge against the tyrant. But with the hustle and bustle caused by this, Corona falls from the trapeze and is seriously injured. When the circus moves on, the boys organize a doctor for the sick artist who has been left behind. Their collectively concern for the blonde beauty makes them forget their enmity. This welds the troops closer together and sets the course for a common, meaningful future.

Students raised under Nazi ideology witness the disintegration of the Third Reich and the realization of those who indoctrinated them that they were wrong.