Unknown and Different (Sherlock Holmes Love Story)

Maven Hudson is the daughter of the loyal and sweet Ms. Hudson. She originally lived on her own in America though when she heard her mother was living on her own again she moved back in with her to make sure she was okay. This girl though isn't all she seems to be. Two years later though someone comes at the door who Maven had presumed to be dead. What will happen between the two when a new villain appears? Is Maven even who she seems or is she more then just the daughter of the old woman on Baker Street?