A one-woman private operative, Abby Sinclair stalks the stalkers. Her new client is a U.S. congressman shadowed by a mystery woman believed to be a disgruntled ex-employee. He wants her stopped. What Abby doesn't know is that FBI agent Tess McCallum is already on the case. Now, despite vowing never to work together again, Abby and Tess have been partnered in a deadly game. And this is a case that takes one surprising turn after another - because there's more to the story than anyone knows.