Alone and on the run with the world around her slowly crumbling into disorder as bio-terrorism spreads, Ada realizes that the decisions she makes will determine the outcome of an impossible battle. She finds herself forced to ally with an unlikely side...

On a mission for the organization, Ada discovers startling evidence of a conspiracy within the organization itself. But to pursue the truth of it, she must cast off her unwavering loyalty to her employers...that is, if they still are her employers.

After Ada's mission in Spain, the organization's plans change unexpectedly. An unknown group is targeting the organization, and Ada is dispatched to neutralize the threat. Little does she know that the American government has begun to trail her.