She's used to keeping secrets. He's the man who refuses to share his own. When their worlds collide, the sparks could set Washington ablaze. The Black Knights are back and better than ever! Lura Dougherty lives and breathes her job in the West Wing. As the chief of staff's top aide, she thrives on long hours, tight deadlines, and the intoxicating pulse of power that runs through D.C. But when an old flame lands on her doorstep with a dire warning-and a conspirator to catch-her carefully woven life begins to unravel. Graham Coleburn has spent twenty years burying the boy he used to be under layers of discipline and duty. Now a covert operative for Black Knights Inc., he's sworn off emotional entanglements and anything resembling home. Yet the moment Lura walks back into his life, all his hard-won control threatens to crumble. As Lura and Graham race to unmask a traitor hidden within the highest levels of government, the danger closing in on them becomes as explosive as the chemistry they can no longer deny. But when the line between loyalty and love blurs, they'll have to decide what they're willing to sacrifice-for their country¿and for each other.