October 1918: Karl Liebknecht is released from prison and Berlin workers celebrate his release. Although WWI is almost over, the German Kaiserreich in vain sends its last reserves to the slaughter. The working class is in a rebellious mood; the uprising of Kiel’s sailors against war and militarism sets off a call for revolution led by Liebknecht. On November 9, Liebknecht declares the Free Socialist Republic of Germany. But pro-Kaiser military and right wing Social Democrats oppose him.

On the occasion of their daughter's birth, the king and queen give a lavish feast. Among the guests are twelve fairies who endow the infant in the cradle with all good qualities. As the king loathes diligence, he does not invite the thirteenth fairy - the fairy of diligence. A captain lets her slip into the castle and she casts a spell on Sleeping Beauty, wishing death upon her. The twelfth fairy transforms and mitigates the spell. On the day she turns fifteen, the princess is to sink into a hundred-year sleep after pricking her finger on a spindle.

In 1920, Michael, the son of a German laboring man, decides to travel to Russia. As "red horseman" he wants to support the socialist revolution and fight for the welfare of the working class. The journey towards the east turns out to be both a big adventure and a severe ethical test for the young man. He has to escape the German Armed Forces and ends up at a traveling circus where he falls in love with Fanny, a dressage rider. He overcomes the temptation to stay with her at the circus and - after briefly joining a gang of teenage thieves - he eventually boards a ship heading east. Aboard the ship he finds out that the seamen are transporting weapons for the hostile members of the White Army.

Dr. Gisa Tonius, a physicist in her thirties who has a nearly adult stepdaughter, cherishes the desire to have her own child. Suddenly, a big interdisciplinary research project threatens to significantly change Gisa′s life. Uncertain whether to look for professional or private fulfillment she asks her family and friends for their opinions. They all have different views on the point at issue. While her husband is afraid of losing her to her profession, her professor thinks that because of her talent she has an obligation towards science. In the end, Gisa reaches a decision: She wants to have a baby as well as take on the research project.