Although the Romans believe they have conquered all of Germania, a village in the mountain valley continues to resist the empire as long as Caesar's daughter remains married to the local chieftain. One day, when Dogmatix is supposed to accompany this woman to the baths, a group of renegade legionaries manages to send her over the Jordan and conscript him into their own army. As a result, the unexpected giant finds himself in dangerous tiger country, where a legendary time tree is said to be located. By means of this magical botany he undertakes an unbelievable journey, perhaps to be able to set everything right again!

An unknown force from outer space once made its way to earth 3,000 years ago, flying around as a yellow dot like a mosquito and feeding on human flesh bite by bite. A voodoo priest from the Caribbean decided to take up the fight against the evil. But even he, after banishing the alien into a shell, could hardly prevent the modern civilization of the present, or Jochen's clique, from bringing that curse back to life one day while having fun in the bath. Holidaymakers beware, the yellow danger is on the loose!

The yellow dot from space, he continues to do his mischief in terms of soul wear. However, because our interstellar colleagues are also fed up with being terrorized by this and his pocket-sized lackeys any longer, they choose Earth's choicest warrior, Peter Brockmann, to put a final and leaden end to the story.

Miller, a badly injured cowboy, hears about a magic potion that is supposed to heal all wounds. He wants to get hold of it at any cost. But two men of God fearlessly stand in his way...