Captain Gabriel Angelos and the Blood Ravens are back in an epic adventure that once again sees them pitted against the mysterious eldar of Biel-Tan. Still suffering from their brutal experiences on Tartarus, the weakened Blood Ravens set off in search for new recruits, only to discover that the eldar seem determined to prevent them from rejuvenating their Chapter. On the ancient and mysterious world of Rahe's Paradise, Gabriel must contend with aliens and immense powers beyond his understanding. There are unspeakable forces at work on this volatile and ageless world, and they are attracting the attention of agents other than Space Marines and eldar. In the chaos of eternal battle, the line between treachery and insanity is stretched to breaking point, and Gabriel must fight for his very soul.