Rome, AD 68. Nero has committed suicide. One hundred years of imperial rule by the descendants of Julius Caesar has ended, and chaos rules. His successor, Galba, dismisses the incorruptible Germans of the Imperial Bodyguard for the crime of loyalty to the dead emperor. Ordering them back to their homeland, he releases a Batavi officer from a Roman prison to be their prefect. But Julius Civilis is not the loyal servant of empire that he seems.

The first novel in Simon Scarrow's bestselling Roman series. It is 42 AD, and Quintus Licinius Cato has just arrived in Germany as a new recruit to the Second Legion, the toughest in the Roman army. If adjusting to the rigours of military life isn't difficult enough for the bookish young man, he also has to contend with the disgust of his colleagues when, because of his imperial connections, he is appointed a rank above them.

The Dacian kingdom and Rome are at peace, but no one thinks that it will last. Sent to command an isolated fort beyond the Danube, centurion Flavius Ferox can sense that war is coming but also knows that enemies may be closer to home. Many of the Brigantes under his command are former rebels and convicts, as likely to kill him as obey an order. And then there is Hadrian, the emperor's cousin, and a man with plans of his own.

The Roman grip on Britain is weakening. Emperor Nero has turned his face away from this far-flung outpost. The Druids are on the rise, spreading seeds of rebellion among the British tribes. Roman cruelty and exploitation has angered their British subjects. The warrior queen Boudicca will lead the tribes to war. Standing against the rising tide of Boudicca's rebellion is Roman Tribune, Gaius Valerius Verrens, Commander of the veteran legions at Colonia.

On a small estate just outside Rome in the first century BC, two boys become blood brothers, little imagining the extraordinary future that lies before them. As friends and rivals, Gaius and Marcus are destined to find lasting fame.