Set in the years before and during the 1st Punic War, the series follows the exploits of a young, hot-headed swordsman. From a lad on his father's farm, to a Legion training camp, to the Capital of the Republic, Alerio Sisera learns that sharp steel and quick reflexes are not always a Legionary's best assets.

Rome, 90 BC. Quintus Sertorius is tired. Weary after eight years of warfare in Greece, the decorated hero longs to reunite with his family and repair their frayed bond. But no sooner has he returned than Rome is thrust into war again. This time, the attackers are their closest allies, the Italian tribes surrounding them. To make matters worse, Sertorius learns his son has joined the legion under the command of a scheming rival looking to exert leverage.

Cowardice in a legionary carries a heavy punishment: the sentence of decimation—to live or die at the whim of the gods with the unlucky ones clubbed to death by their fellow soldiers. Ursus, the man killed in Quintus's group, lays a heavy charge on the youth, asking him to look after the remaining men and to take care of his family back in Rome.

25 BC. Titus Cervianus is no ordinary soldier. A former surgeon from the city of Ancyra, he's now a capsarius—a combat medic. Cervianus is a pragmatist, a scientist and truly unpopular with his legion. The Twenty Second Deiotariana have been sent to deal with uprisings and chaos in Egypt. Yet the Twenty Second is no ordinary legion either. Founded as the private royal army of one of Rome's most devoted allies, the king of Galatia, their ways are not the same as the other legions, a factor that sets them apart and causes friction with their fellow soldiers. 

Tamworth, Mercia AD 825. The once-mighty kingdom of Mercia is in perilous danger. Their king, Beornwulf, lies dead, and years of bitter in-fighting between the nobles and cross-border wars have left Mercia exposed to her enemies. King Ecgberht of Wessex senses now is the time for his warriors to strike and exact his long-awaited bloody revenge on Mercia. King Wiglaf has claimed his right to rule Mercia, but can he unite a disparate kingdom against the might of Wessex who are braying for blood and land?

Rome has fallen into darkness. Its legacy remains alive in Constantinople, whose leaders struggle to retain control. Yet famine, war, and an encroaching night leave the Eastern Empire towards ruin. Faint hope arises as a new dynasty ascends the throne of Caesar. Bearing witness to such events is Varus, a young Herulian slave to the aging yet powerful Justin, who unveils a bold plan held by two generations of Romans - to retake the West and reclaim their homeland.

Promoted to the elite Praetorian Guard in the thick of battle, a young legionary is thrust into a seedy world of imperial politics and corruption. Tasked with uncovering a plot against the newly crowned Emperor Commodus, his mission takes him from the cold Danubian border all the way to the heart of Rome, the villa of the Emperor’s scheming sister, and the great Colosseum. What seems a straightforward, if terrifying, assignment soon descends into Machiavellian treachery and peril as everything in which young Rufinus trusts and believes is called into question....

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.

AD 865. The fierce Vikings stormed onto Saxon soil hungry for spoils, conquest, and vengeance for the death of Ragnar Lothbrok. Hundr, a Northman with a dog's name...a crew of battle hardened warriors...and Ivar the Boneless. Amidst the invasion of Saxon England by the sons of Ragnar Lothbrok, Hundr joins a crew of Viking warriors under the command of Einar the Brawler. Hundr fights to forge a warriors reputation under the glare of Ivar and his equally fearsome brothers, but to do that he must battle the Saxons and treachery from within the Viking army itself...

Babylon, 323 BC: Alexander the Great is dead, leaving behind him the largest empire the world has ever seen. As his final breaths fade in a room of seven bodyguards, Alexander refuses to name a successor. But without a natural heir, who will take the reins? As the news of the king's death ripples across the land, leaving all in disbelief, the ruthless battle for the throne begins. What follows is a tangled web of scheming and plotting, with alliances quickly made and easily broken, each rival with their own agenda.