1916. Britain is deep in the grip of the Great War, spilling the best of its blood in Flanders' fields. Morale at home is low. But one thing is certain: war minister Lord Kitchener will see things through. So when Kitchener is assassinated by the IRA, how will the public react? How will British troops at the Front take it? It's up to MI5 to handle the situation, and quickly. Lieutenant Chris Hubert's suggestion of lookalike Colonel Henry Farmer staves off the announcement of Kitchener's death. But when 'Kitchener' is sent off on a mission to St Petersburg, it's in the interests of friend and foe to ensure he won't come back. Now, only Hubert and Special Branch officer Anne Banfield can save Farmer from a torpedo in the cold, dark waters of the Pentland Firth. The U-Boats are waiting ...