The story is set in fall 1937; with strong dissent from the Imperial Army, Lieutenant Colonel Yuki develops the D-Agency, which trains spies for joker expansion into various countries.
General headquarters’ colonel Muto appoints first lieutenant Sakuma to screen the D-Agency, and orders the association to investigate John Gordon, who is suspected to be an American incognito usable.
Veiled as military police, the arrangement spies and Sakuma check the home of Gordon for evidence exhibiting that he is believe it or not an administration specialist. Sakuma’s life is used as a pawn by one of various government agents when the his submitting seppuku is used as a managing device to get inside Gordon’s home. In any case, it has all the earmarks of being obvious that truly Sakuma is being played by his chief and distinctive government specialists and there is no evidence associating Gordon to being a clandestine usable.
Right when he is wanting to submit seppuku, Sakuma reviews Yuki’s importance of what builds up the work spy—to be imperceptible—and instigates the evidence they are looking for is behind the head’s portrayal. They influence their fundamental objective yet Sakuma is intrigued when Gordon says this was the second time the military police went there.
Sakuma by then comprehends that this plot was made by Muto to bomb to cover his own failure looking at Gordon. Sakuma moreover comprehends that Yuki discovered Muto’s course of action and used this event to coerce him to collaborate with D-Agency, hoping to get more resources from the Army.