Special Agent Sam Jameson's friend and colleague was just murdered in Budapest. It falls to Sam to clean up the mess. Unsavory, but routine. Until she discovers she's being followed. And before she can make heads or tails of the situation, she's fighting for her life, alone and outgunned in a strange city. As Sam claws her way through a ruthless and brutal cabal, she discovers that she's up against one of the most dangerous conspiracies in history.