On a cobbled street in old Vienna, an accident leaves David Tardiff a shadow of his brilliant self and his young daughter, Lindsay, severely injured. On a deserted highway in New Mexico, five of the world's leading scientists disappear in a burst of flames. One woman—David's wife, CIA officer Mariah Bolt—is the link between both tragedies. Confronted by the devastating destruction of her family and too many unanswered questions, she's determined to prove that neither was an accident. As she probes deeper into what really happened in Vienna, she realizes that she can trust no one—not the government, not her mentor, not even her husband. Because now Mariah is the target.