Knox and Harper''s story continues as the Las Vegas lair - and its two infamous Co-Primes - face their most terrifying enemy yet . . .
Together, Harper and Knox have overcome just about every evil thing you can think of - from Horsemen of the Apocalypse to dark magic practitioners to Lucifer''s insistent belief that he''s hilarious. They''re looking forward to some well-earned downtime - until Harper is attacked by mercenaries in the middle of her tattoo shop. Worse still, the attackers are trying to take her wings - the ones no one is meant to know she even has.
It''s a near miss and once a furious Knox has managed to pull his demon back into line there''s only one thing clear - someone knows Harper''s secrets and is systematically setting out to destroy her. It seems likely that someone is the third Horseman - but how do they know so much about Harper? It seems the impossible might be true - they have an enemy hiding at the very heart of the lair.
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