The balance of power is shifting, with bold new alliances, unknown invaders, and the rumored return of the galaxy's ancient masters. When black-ops spy Amina Azad saves a Hacan ambassador from assassination, she draws him into her investigation of a vast conspiracy: unseen forces are destabilizing the whole galaxy, at the worst possible time. Pursued by agents from dozens of other factions, they can only make progress by allying with their apparent enemies. But even they might be compromised - duped into action by a secret puppet-master. How can they trust an alliance when they can't trust themselves?