Kelly Reilly

Celebrated sleuth Hercule Poirot, now retired and living in self-imposed exile in Venice, reluctantly attends a Halloween séance at a decaying, haunted palazzo. When one of the guests is murdered, the detective is thrust into a sinister world of shadows and secrets.

Michael Mason is an American pickpocket living in Paris who finds himself hunted by the CIA when he steals a bag that contains more than just a wallet. Sean Briar, the field agent on the case, soon realises that Michael is just a pawn in a much bigger game and is also his best asset to uncover a large-scale conspiracy.

There is a new criminal mastermind at large (Professor Moriarty) and not only is he Holmes’ intellectual equal, but his capacity for evil and lack of conscience may give him an advantage over the detective.

Eccentric consulting detective Sherlock Holmes and Doctor John Watson battle to bring down a new nemesis and unravel a deadly plot that could destroy England.