When FBI agent Paul Falcon meets police officer Ann Silver, he is instantly captivated. Her investigations could lead him to a breakthrough in an important case - and she is ready to step aside without a second thought. Moreover, it seems that everyone knows her. FBI colleagues, spies, U.S. Marshals, and even the former Vice President trust her deeply. Who is Ann? The more Paul learns about her, the more curious he becomes. Soon, he is not only consumed by the hunt for the most cunning assassin of all time but also by the mysterious secret that is Ann.