To Alyx McLean, it's just another summer in London with her Uncle Michael and cousin, Kate. There's the promise of using her affinity for languages to translate for Michael at the Intelligence Conference, and attending Feilds' ball, which her uncle hosts every year to wrap up the Conference. Predictable, boring. But the moment she arrives, Alyx knows that this won't be her normal summer vacation. With the arrival of Kate's twin sister, hidden at MI6...