A national newspaper publishes a crossword. A seemingly insignificant thing, but in actuality a catastrophic event that reveals covert intelligence known only to the security services. Added to this, a defected CIA officer, long thought dead, suddenly reappears in London, passing an envelope to a total stranger in St. James’s Park. An envelope which is completely empty…

Cue panic in London, Tel Aviv and Langley, Virginia – before a desperate chase is launched to preserve a secret kept hidden for over 20 years; a real-life conspiracy so breathtaking, it threatens to bring down governments and change the balance of world power for ever.

Who is threatening the establishment, what do they want, and crucially, who or what is Artemis?