It's spy vs. spy as D-Aggency and Wind Agency both race to prevent Japan's "Grand Strategy" from falling into enemy hands.
Grand Strategy?
الخطّة الكبرى"؟"
Große Strategie?
¿La Estrategia General?
¿La Estrategia General?
Les Principes généraux ?
"Grande Strategia"?
Estratégias militares?