Several standard years after the events of Warhammer 40,000: Space Marine on the vital Forge World of Graia, the Sternguard Veteran Malum Caedo and several of his brethren from the Ultramarines Chapter's Veteran 1st Company were sent by the Inquisition back to Graia on a mission of great importance. Since the Ork and Chaos invasions of Graia that had been unleashed upon the Forge World by the machinations of the Chaos Sorcerer Nemeroth several standard years before, the Inquisition