Five years after giving up his life of crime Montmorency is back in London.

But Scarper is back too, pulling him into a dark underground world.

His old friend Lord George Fox-Selwyn fights to rescue him from disaster, and risks calling in Montmorency's prison doctor, Robert Farcett, to help.

However, what should be a rest on a Scottish island throws up another mystery, with the discovery of a row of tiny graves...The second thrilling adventure from an award-winning author.