Against the Imperial Army's objections, Lt. Colonel Yuuki establishes the spy training group D Agency. The army sends Liuetenant Sakuma to serve as their liason, and he watches the applicants easily coast through the brutal examination process.

The raid of Gordon's home comes up empty. And when Gordon lets it slip that this is the second time his home's been searched, Sakuma realizes the mission is a set-up by Mutou.

A man wakes up with complete amnesia. His only posession? A passport with the name Shimano Ryuunosuke and the port of entry, Marseille. Speaking to Alan, the mysterious man next to him, he learns France has been occupied by the German army.

Sergeant Honma Eiji has been assigned to the Shanghai military police. Not long after assuming his new post, he is summoned by Captain Oikawa Masayuki. Oikawa orders Honma to conduct an internal investigation to uncover an enemy agent.

Izawa Kazuo has a good life running a simple photography store in London until he's suddenly arrested under suspicion of espionage. As Isawa undergoes a harsh interrogation, a master spy for the British Secret Intelligence Service appears before him.

D Agency receives an urgent meeting request from one of their collaborators, Morozoff, who has important secret information. D Agency member Seto Reiji arranges to meet him, but as he moves to collect the information, he finds Morozoff has been murdered.

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

Former diplomat Shirahata Ki'ichiro is suspected to have illegally gained knowledge of the Imperial Army's top-secret Grand Strategy. Investigating in secret, Gamou Jirou makes contact with Shirahata's old friend, the British consul Ernest Graham.

It's spy vs. spy as D Agency and Wind Agency both race to prevent Japan's Grand Strategy from falling into enemy hands.