The early Middle Ages. A time of heavy swords and dark blood law. The ruling clan is in discord. The guilt for the accidental death of the brother has fallen on the Grand Duke. According to the law, revenge must be taken by the younger brother, a bastard. For the refusal to kill, he has to pay with eve- rything he had, because “for peace you need more swords than for a war”...

In Rocketown four friends, Tom - also known as Captain Bob, Eric and John, are a strange game in the office of Professor James. The professor is Tom's father and the famous paleontologist, who recently died in mysterious circumstances.