The Betrayal of Ambiorix: Rome, Autumn 51 BC: Just back from Pompeii, C.V.T. finds a letter from Gaul that necessitates his immediate departure north to Caesar's headquarters in Narbo. On his journey, C.V.T. learns details of his special mission: he is to eliminate the last obstacles to the relocation of the pro-Roman Ubii from the right bank of the Rhine to the left bank. Additionally, he is to gather information about the hideout, plans, and strength of Caesar's last major opponent: Ambiorix, prince of the Eburones. At the site of what will later become Colonia Claudia Ara Agrippinensium, C.V.T. enters dangerous territory with Cornificius, Alexander, and twenty horsemen: Germania. Rebellion in the Circus Maximus: Rome, April 50 BC - Decius Vibellius, a wealthy Roman citizen.