Autumn, 1937. 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 to D-Agency, and he watches the applicants easily coast through the brutal examination process. Not long after, Sakuma is ordered by Colonel Mutou to search the home of a suspected American spy, the Japanophile John Gordon. Disguised as military police, Sakuma leads D-Agency on their first mission.
bring back concrete proof of the target's guilt.
dass wir Beweise für die Schuld
des Ziels bringen.
evidencia concreta de su culpabilidad.
pruebas concretas de su culpabilidad.
et demande des preuves irréfutables
de son implication.
fornisca prove tangibili 
della colpevolezza del bersaglio.
que sejam incontestáveis diante dessa suspeita.