Genius- noun A person of exceptional intelligence or creative, either in some particular respect ••• Sherlock Holmes is an arrogant, sociopathic genius. His best friend, John Watson, is a loving and loyal army doctor. Together they solve murders, and, ultimately, save the world... multiple times. And then Lilly Harper shows up. "And Then There Was Three" is a Sherlock BBC fanfiction. I do not own the rights to any characters or plots from the TV show, or the novels by Sir Arthur Canon Doyle that the show is based off of. Basically, this is fanfiction written about fanfiction.