The girl Marianne inherited a motorboat called “Eintracht” from her parents and struggled to get her to drive it with her uncle. There is a row with the new engineer Michel the evening after the first trip. He leaves - out of jealousy. Instead of him, Marianne takes three funny musicians with her who are looking for work. The trip to Hamburg on the Elbe initially ends on a sandbank, from which another barge, the "Petrel", frees them. Michel has now been hired there. After a few complications and pointless fights, because Marianne has long been in love with Michel, there is the well-deserved happy ending.

The story of Johann Friedrich Böttger, an apothecary’s apprentice and alchemist’s assistant. Fleeing from the Prussian King, he goes to Saxony, where King Frederick August the Strong takes him to a fortress and demands that he create gold. Böttger is equipped with everything he would need for the task, but he has known for a while that actual gold production is a myth and instead experiments with porcelain—white porcelain, as the Chinese are said to possess. In 1709, he finally succeeds in surprising the King with the "white gold," the first white porcelain made in Europe, he hopes for freedom.

During the global economic crisis, the mine pit "Morgenrot" is due to be closed due to unprofitable results. With the use of a machine forbidden for security reasons, the mates try to work more effectively and thus save their jobs. A serious accident happens.

A chemist and his assistant make a groundbreaking discovery. They manage to make butter directly from pasture grass without having to deal with either the cow or the use of dairy products. An industrialist attempts to seize the invention.