Alix is more than 50 years old. He is a senator. On his way to Atlantis, Alix finds his son Titus, who became an officer of Tiberius in Germany. His brother Drusus was seriously wounded in a battle. At the head of the general, they must find his mother, the disturbing Livie. But on the road, the senator gets kidnapped by barbarians in front of the little Arminius, the son of an ally leader of Rome. To survive the dreadful warriors, it will take the whole trick of Alix. Especially since on the banks of the Rhine as well as the Tibre, it is very difficult to distinguish his friends from his enemies.