In a king's kingdom there is a forest so dangerous that every man who goes into it is never heard from again. Iron Hans, who is responsible for the deaths, is found at the bottom of a lake and locked up in the king's palace
The main character Otto, the "best man", is a copy of the illustrious Mister Bean. He takes on an apprenticeship as a building-worker, which makes him a member of a building brigade. At the same time Otto tries to start a love affair, which he handles even clumsier. Never the less Otto makes progress with the lady in question, a single mother, who apparently doesn't mind. Actually he wanted her sister, but a retired Leninist party member changes his mind. This gives him the courage to persevere in his work, albeit with the helping hand of the obligatory retired party member. And behold, in the end Otto invents a new method of building, which saves the brigade many hours of work.
After a fierce argument Steffi Zinn′s husband leaves the joint flat and stays away from home over night. The next morning, his wife Steffi has disappeared and is reported as a missing person. Captain Lohm takes over the case and at first looks for signs of a murder, but to no avail. Then, Steffi′s body is found in a lake. After her funeral, a stranger who had attended Steffi′s funeral for a short time is also found dead in a lake, and the connection between the two cases becomes apparent.
