In the age of the Dark Imperium, Primarch Guilliman’s Primaris Ultramarines are a shining beacon in the darkness of war. On the Imperial Hive World of Ikara IX, Chaplain Kastor and Apothecary Polixis, brothers in blood as well as in battle, stand firm against the endless Greenskin horde. But a threat is looming. An invasion like no other assaults the broken city of Shebat, as the crazed warlord Urgork arrives to lay waste to the Imperial forces and capture a Primaris Marine for his own twisted ends.

The eldar are an ancient race whose mode of war blends spirituality with a unique mastery of technology. In times of need, their entire race will rouse to war, led by terrifying, almost mythological figures - the phoenix lords, immortal beings that embody the warrior nature of the eldar. When a burgeoning ork empire starts to pose a threat to the eldar peoples, Jain Zar travels to the craftworld Ulthwé to warn them of the danger.

For Ianthe, war is all too familiar. A former soldier in the Astra Militarum, she now serves Inquisitor Covenant as an agent of the Throne. Her first mission sees her investigating a cult called the Children of Eternity. Falling foul of the local Enforcers, Ianthe soon learns that war in the shadows is seldom straightforward and that the local, angry law-keepers are the least of her troubles.

After seven long years of conflict, the Horus Heresy nears its end. But now, as the Warmaster Horus marches on Terra to rip his father from the Throne, the seat of the arch-traitor’s power lies empty. Cthonia, a world once dominated by brutal murder-gangs, is occupied by the Emperor’s praetorians—the indomitable Imperial Fists. For the Sons of Horus, this outrage demands a reckoning.

The Aeronautica Imperialis are the masters of the skies in the 41st millennium, waging wars of breakneck aerial combat where only skill stands between victory and death. Flight Commander Lucille von Shard is an ace, a living exemplar of what it means to fly in the name of the Emperor… or so Propagandist Kile Simlex is told. Braving the foetid waters of Bacchus and its rampaging greenskin hordes, Simlex is tasked with producing a cinema-pict portraying Shard as an Imperial hero. Shortly after his arrival planetside, however, he discovers the war effort is in shambles.

Lord Azariel, Head of the Navigator House Brobantis is dead. His widow and murderer, the Lady Chettamandey, stands to inherit his power and influence. Her plans for ascension are curtailed when she’s drawn into a dark world of ritual killings and cult murders. With planets being dragged into the warp seemingly at a whim, the threat to Chettamandey’s legacy is dire, and only she can avert potential disaster.

The war for warp-cursed Croatoas rages on. Hailed as 'Giant-killers' for their heroics during Operation Jotunn, Lieutenant Commander Hadeya Etsul and the crew of the Leman Russ Demolisher Steel Tread are hurled right back into battle. Assigned command of a convoy of armour and infantry, Etsul is tasked with escorting a legendary lord commissar through contested territory to stabilise the wavering Ruega Front.

Newly promoted to the captaincy of the Ultramarines Fourth Company, Uriel Ventris leads his warriors to the world of Pavonis, where vicious alien raiders are bringing death and destruction. As Pavonis descends into political turmoil, Uriel and his warriors must battle the xenos as they unravel a plot to unleash an ancient evil buried deep beneath the world - the mysterious and deadly Nightbringer.

Many are the xenos foes who plague mankind's Imperium. Ancient races which once ruled the galaxy, such as the aeldari and necrons, lurk in the darkness, awaiting their chance to reclaim what was once theirs. Younger races like the upstart T'au Empire grow in power and influence, ever eager to topple humanity and take their place. And across the galaxy, the savage orks wage brutal war, fighting all in their path simply for the joy of battle. This audio drama anthology contains eight tales of the aeldari, the orks and the T'au Empire.

There are those in the great expanse of the galaxy that seek profit wherever it is to be found: the deal makers, the opportunists and explorers – the Rogue Traders. Granted power by an ancient charter, sanctioned by the Emperor Himself, these scoundrels, entrepreneurs and adventurers roam the galaxy in search of fortune and glory. None perhaps are as hungry for these twin vices as Janus Draik.

Khemet has guarded the tombs of her people for millions of years, patiently waiting for the day when the numberless legions of the dead will rise again. As they finally begin to stir, old ambitions and treacheries are roused with them. Betrayed and imprisoned, dogged by the shame of a terrible failure, Khemet has endured the gravest punishment Necron ingenuity can conjure. Now she is free, offered a single chance to restore her honour and reclaim her standing.

By the blessing of the Omnissiah was the Mars Triumphant born – from the forges of the Adeptus Mechanicus, the mighty Baneblade super-heavy battle tank comes to bring death and destruction to the foes of the Imperium. As part of the Paragonian 7th Company, Honoured Lieutenant Marken Cortein Lo Bannick commands the venerable war machine in a bitter war against the orks in the Kalidar system. As the campaign grinds on it begins to take its toll upon his crew, and old clan prejudices from the regiment's home world arise once more. In a war which cannot be won by force of arms alone.

On the grim death world of Fenris, the Space Wolves Chapter selects its aspirants from the best and brightest of the young tribesmen. Ragnar of the Thunderfist tribe finds his life changed forever when he is chosen. After being revived from a savage death on the battlefield, Ragnar is recruited into the fearsome Space Wolves Chapter. He is then thrown into a galactic war against the dark forces of Chaos. However, the implanting of the Canis Helix unleashes his primal instincts and Ragnar must fight to control the beast within him.

Captain Sicarius awakens on Macragge after his defeat on Damnos, but all is not well in the Ultramarines fortress-monastery. He is to be placed on trial for his failure, but a worse fate beckons as he has visions of the necrons. Strange things stir in the darkness, and something deadly waits in the shadows for its chance to strike....

Phil Kelly continues his look at the life of Commander Farsight with his first campaign against the full might of the Imperium and shows how the T'au Empire's technological superiority fares against Imperial grit.