The luxury liner Tokimaru makes its way from San Francisco to Japan, stopping at each Hawaiian island along the way. As Osamu Utsumi sits on the deck enjoying a crossword puzzle, he's approached by a man calling himself Jeffrey Morgan. At that same moment, cries of terror erupt from those looking out at the ocean.

Aaron Price, Far East correspondent for the British Times, investigates the true identity of Lieutenant colonel Yuuki, the man rumored to have founded D-Agency. Flipping through the Military Preparatory School's list of past enrollees, his eye is drawn to a boy who passed the entrance exam at the top of his class, but was expelled for violence. His name? Akira Arisaki.

Hermann Wolff, a Wehrmacht Colonel assigned to German's intelligence agency, the Abwehr, investigates a suspicious train crash on the outskirts of Berlin with his right-hand man, Lieutenant Johann Bauer. Among the belongings of one of the bystanders is one of a spy's standard tools of the trade. When interrogated, its owner claims to have stolen it from a Japanese man named "Katsuhiko Maki..."