It's spy vs. spy as D-Aggency and Wind Agency both race to prevent Japan's "Grand Strategy" from falling into enemy hands.
It's the Imperial Army's greatest secret!
!إنّها أعظم أسرار الجيش الإمبراطوريّ
Das größte Geheimnis
der kaiserlichen Armee!
¡Es el mayor secreto del Ejército Imperial!
¡Es el mayor secreto del Ejército Imperial!
C’est le plus grand secret
de notre armée.
È il più importante segreto
dell'Esercito Imperiale!
É o documento mais importante 
 do Exército Imperial!