The Actress

"Life is a play." He said. "And you have the main role." "I do?" She asked. "Of course, dear. Your role is who they made you think you are." "But I'm not that person, Jim." "We know that. But they don't know you know." Sherlock's sister comes back to his life after five years under the redar. Will the detective get his sister back, or is she lost to the one who can hurt him most?