Fourteen-year-old Sherlock has come up against some challenges in his time, but what confronts him now is completely baffling. His tutor, Crowe, and Crowe's daughter, Ginny, have vanished. Their house looks as if nobody has ever lived there. Neighbours claim never to have heard of them.

Sherlock begins to doubt his sanity, until a chance clue points him to Scotland. Following that clue leads him into the throes of a mystery that involves kidnapping, bodysnatchers and a man who claims he can raise the dead. Before he knows it, Sherlock is fighting for his life as he battles to discover what has happened to his his friends.