He's an ace pilot in the Imperium. She's a killer assassin in the Underworld Cabal. Being mortal enemies, they don't like each other much. But once the Solar Twin Wars come to the moon Malum and all hells start breaking loose, they find themselves thrust together in a fight for survival. What begins as an association of pure convenience becomes a partnership, then more. Now they must fight the Imperium, the Cabal, and their own demons as they search for higher ground, discovering along the way there's a lot more to the enemy than meets the eye.