Humanity's last chance for survival lies on a quarantined planet deep in enemy space. Not even the exodus fleet's ancient enemies dare set foot on the surface.When Cain's friends make a daring assault on the dormant shipyard of an ancient civilization, he's soon confronted with a nightmare made real. How far will a guardian like Cain go to protect the people he loves? It has been a long time since he was ripped from his life and turned into a cold-blooded...