In the year A.D. 9, three Roman Legions under Quintilius Varus were betrayed by the Germanic war chief, Arminius, and destroyed in the forest known as Teutoburger Wald. Six years later Rome is finally ready to unleash her vengeance on the barbarians. The Emperor Tiberius has sent his adopted son, Germanicus Caesar, into Germania with an army of forty-thousand legionaries. The come not on a mission of conquest, but one of annihilation. With them is a young legionary named Artorius.

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.

On the mist-shrouded Isle of Hibernia, now known as Ireland, 26 years have passed since the murder of the high king, Fiacha Finnolach. The usurper Elim of Ulster’s promises of peace and prosperity have come to naught, as drought and famine afflict the land. Across the Irish Sea, the Roman Governor of Britannia, Julius Agricola, is met with an intriguing proposition. Fiacha’s son, Tuathal Techtmar, born when his pregnant mother fled into exile, has grown to manhood. He seeks the aid of Rome in avenging his father and becoming High King of Hibernia.

The year is AD 66, and the Roman province of Judea has exploded in rebellion. Far from being a revolution of unified peoples, the various Jewish factions of Sadducees, Zealots, Sicarii, and Edomites are in a state of civil war; as anxious to spill the blood of each other as they are to fight the Romans. The Judeans find hope when the Romans commit a serious tactical blunder and allow their forces to be ambushed and nearly destroyed in the mountain pass of Beth Horon.

It is 58 BC, and the mighty Tenth Legion, camped in Northern Italy, prepare for the arrival of the most notorious general in Roman history: Julius Caesar. Marcus Falerius Fronto, commander of the Tenth, is a career soldier and long-time companion of Caesar's. Despite his desire for the simplicity of the military life, he cannot help but be drawn into intrigue and politics as Caesar engineers a motive to invade the lands of Gaul.