What possessed Hitler's deputy, Rudolf Hess, to fly to Scotland in 1941? The answer involves a genuine esoteric secret... the true identity of Christian Rosencreutz.
Journalist Rhona Baird is given a black bound notebook, left in the back of a Glasgow taxi. In it is the handwritten testimony of an Edwardian accountant, who claims to have blacked out in his office one Spring morning in 1908 and awoken a century later. Intrigued by the flawless copperplate, she enlists a local hack to help trace the 'author'.
When clues in the text take them to a newspaper archive, where they find a drawing of a man of the same name, who vanished in 1908, the journalist decides she's being conned. But is she...?