When the Guilty Cry

Three severed hands. No clues. A race against time.
Three embalmed hands are discovered in a disused Victorian house. Is it a gangland ritual? The work of a cult? Or just a prank played by Medical Students? And what happened to the bodies?
Meanwhile the Coroner needs to issue a Presumption of Death certificate on a teenage girl who vanished eleven years ago in mysterious circumstances.
As hints emerg...