Since the earliest days of the Great Crusade Sanguinius
- angelic primarch of the IXth Legion
- was ever among the closest & most loyal of Horus's brothers. But the Blood Angels have long kept their true nature hidden from the rest of the Imperium & when the Warmaster hints that the key to their salvation may lie in the ruins of a conquered world the sons of Sanguinius race to claim it. Now as the revelation of their betrayal dawns & the traitors' hand is revealed the Blood Angels must face all the warp-spawned armies of Chaos as well their own personal daemons upon the blasted plains of Signus Prime...