Kairi Aria had been working for Scotland Yard for almost a year without incident. She had been very successful in remaining unnoticed by her coworkers until she is required for a case with the dubious Sherlock Holmes. A blundering, violent interaction throws the two together, resulting in one of the most dangerous cases Sherlock has ever come across. Sher/OC [TW: explicit sexual content, violence, alcohol abuse, sexual abuse, strong language - ADULT THEMED]

Sherlock Holmes, the world's greatest - and only consulting detective. But what happens when he comes across a case even he can't solve? Meet Alexandria Novak, also known as the notorious assassin 'Nightshade.' When Alex bumps into Sherlock by mistake, everything changes. Alex is hiding dangerous secrets about her past which could prove deadly if they ever came to light. But Sherlock becomes determined to uncover the truth and find out who the real Alex Novak is and save her from a past which is threatening to catch up with her. When a string of cryptic messages are sent to Alex, they threaten to topple the foundations of her whole world and what she believed to be true. Meanwhile, her past with James Moriarty remains unknown to Sherlock as his obsession with her reaches new levels. James Moriarty, the only enigma she has ever known. He is part of her past and present, but as Alex's future is threatened, she must fight for survival in a world that seeks to both destroy and deny her very existence. She must fight for her future. Even if it means challenging a past she didn't remember. The seeds of destruction are being planted as old friends and enemies resurface. She must decide what side she stands on, once and for all. ~~~~ A BBC Sherlock Fan Fiction