From the radiation-soaked wastes of Mars to the Space Wolves fleet, and from the heart of Imperium Secundus to the depths of Prospero, this collection of Horus Heresy tales brings together a host of tales from across the war-ravaged Imperium.

As the darkness of the war slowly consumes the galaxy, those who still serve the Throne are faced with a struggle for their survival and the continued existence of everything they hold dear. With the threat of the Warmaster's fleet looming ever closer to Terra, if will fall to such heroes to halt the tide, but the enemies arrayed against them are powerful and the burden of loyalty is great...