Blaze of Memory by Nalini Singh

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… Read more.