Oskar Matzerath is a very unusual boy. Refusing to leave the womb until promised a tin drum by his mother, Agnes, Oskar is reluctant to enter a world he sees as filled with hypocrisy and injustice, and vows on his third birthday to never grow up. Miraculously, he gets his wish. As the Nazis rise to power in Danzig, Oskar wills himself to remain a child, beating his tin drum incessantly and screaming in protest at the chaos surrounding him.

Another planet in the period of medieval times. An employee of the institute of experimental history from Earth, who is send under the name of noble don Rumata of Estor as a spy with a mission to contact the local resident of the institute, arrives in the city of Arkanar. But the resident perishes under an unlucky attempt to make a palace coup, and Rumata have to take his place as the resident. Soon he meets all the horrors of the medieval society - a peasant war, palace coups, mass executions. To continue to be an indifferent watcher of all these horrors turns out to be simply impossible...

Dorothea, a 16-year-old bourgeois girl from Hamburg, plays with her friends of both sexes, imitating the production of adult movies. In the end, pretending to make sex-scenes is not satisfying enough, and with a street professional, Dorothea is initiated in hard sex.