Enola Holmes, the youngest Holmes sibling and an agent of the British Secret Service watched by the ever-present eye of her oldest brother, Mycroft Holmes. After helping her middle brother, Sherlock, escape Britian during his 'death', Enola's now back in England to assist Mycroft on watching over Sherlock in his most dangerous case - Magnussen. A BBC Sherlock fanfiction, set during the last epsiode of series three: His Last Vow. (Sorry, I'm terrible at descriptions and it sounds awful, but please give it a shot!)