The year: 1914The place: Sarajevo The mission: the assassination of Archduke Franz FerdinandJack Christie and his best friend, Angus, find themselves at the center of a momentous event that will shape history for decades to come. Their dilemma: Should they intervene? Their problem: Can they survive? Join Jack on a dangerous chase from the dockyards of England to the rain-sodden trenches of the First World War. Will he escape the evil authorities who believe in the mysterious Vigil Imperative?