In The Empire of Night, it is 1915, and President Woodrow Wilson is still assessing the war's threat to the United States. After proving himself during theLusitania mission, Kit is now a full-blown spy, working undercover in a castle on the Kentish coast owned by a suspected British government mole named Sir Albert Stockman. And Kit is again thrown together with a female spyhis own mother, the beautiful and mercurial Isabel Cobb, who also happens to be a world-famous stage actress. Starring in a touring production ofHamlet, Isabel's offstage role is to keep tabs on the supposed mole, an ardent fan of hers, while Kit tries to figure out Stockman's secret agenda. Following his mother and her escort from the relative safety of Britain into the lion's den of Berlin, Kit must remain in character, even under the very nose of the Kaiser.