Nalini Singh returns to the Psy/Changeling world as a woman without a past becomes the pawn of a man who controls her future ...

Dev Santos discovers her unconscious and battered, with no memory of who she is. All she knows is that she's dangerous. Charged with protecting his people's most vulnerable secrets, Dev is duty-bound to eliminate all threats. It's a task he's never hesitated to complete ... until he finds himself drawn to a woman who might yet prove the enemy's most insidious weapon.

Stripped of her memories by a shadowy oppressor, and programmed to carry out cold-blooded murder, Katya Haas is fighting desperately for her sanity itself. Her only hope is Dev. But how can she expect to gain the trust of a man who could very well be her next target? For in this game, one must die ...