She is a world-class secret agent. This time her mission is to prevent a biological attack on London. Involved in a grand espionage game, she inevitably confronts a world of double standards, paranoia, impunity, and betrayal. There are so many friends around, but who among them can she really trust? And who is the elusive "mole" that she must identify to stop the terrorists? To save London, she will have to play by her own rules...