In this gripping page-turner, an ex-agent on the run from her former employers must take one more case to clear her name and save her life.She used to work for the U.S. government, but very few people ever knew that. An expert in her field, she was one of the darkest secrets of an agency so clandestine it doesn't even have a name. And when they decided she was a liability, they came for her without warning.