It's been a year since the death of Moriarty, and Jamie and Charlotte haven't spoken. Jamie is going through the motions at Sherringford, trying to finish his senior year, with a nice girlfriend he can't seem to fall for. Until strange things start happening to him. Strange things that might mean nothing at all - or that someone is after him again. Holmes and Watson may not be looking to reconcile, but there is someone who wants the team back together ... 13+ Holmes and Watson face the ultimate test.