Based on real historical events. A time for vengeance AD 9, German frontier: Close to the Rhine, a Roman centurion, Lucius Tullus, prepares to take his soldiers on patrol. On the opposite side of the river, German tribes are resentful of the harsh taxes about to be imposed upon them. Suspicious that there might be unrest, Tullus knows that his men's survival will be determined not just by their training and discipline, but by his leadership.

Romulus and Fabiola are twins, born into slavery after their mother is raped by a drunken nobleman on his way home from a good night out. At 13 years old, they and their mother are sold: Romulus to gladiator school, Fabiola into prostitution, where she will catch the eye of one of the most powerful men in Rome, and their mother into obscurity and death in the salt mines. Tarquinius is an Etruscan, a warrior and soothsayer, born enemy of Rome, but doomed to fight for the Republic in the Forgotten Legion.

Arthur Wesley (the future Duke of Wellington) was born and bred to be a leader. With a firm belief that the nation must be led by a king, the red-coated British officer heads for battle against the French Republic, to restore the fallen monarchy. Napoleon Bonaparte joins the French military on the eve of the Revolution. He believes leadership is won by merit, not by noble birth. When anarchy explodes in Paris, he's thrust into the revolutionary army poised to march against Britain.

When a new empire rises, and old one must fall. After 16 years of bloody war against Rome, Hannibal Barca is on the verge of defeat. On the plains of Zama, Felix and his brother Antonius stand in the formidable Roman legions, ready to deliver the decisive blow. Victory will establish Rome as the pre-eminent power in the ancient world. But in northern Greece, Philip V of Macedon is determined to restore Alexander the Great's kingdom to its former glory.

In the First Punic War, the Roman legions defeated and humiliated Carthage, their only serious rival for power in the Mediterranean. Now a brilliant young Carthaginian general, called Hannibal, is out for revenge. Caught up in the maelstrom are two young boys, Hanno, the son of a distinguished soldier and confidant of Hannibal, and Quintus, son of a Roman equestrian and landowner. A disastrous adventure will see Hanno sold into slavery and bought by Quintus's father.