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 and uncover an enemy agent 
who's infiltrated their ranks. As he explains the mission, they hear an explosion...
Yes, about three years ago.
.نعم، كان هذا قبل ثلاث سنوات
Ja, das ist jetzt drei Jahre her.
Sí, hace unos tres años.
Sí, hace unos tres años.
Oui, il y a trois ans déjà.
Proprio così, è stato tre anni fa.
Sim. Já se passaram mais
de três anos desde então.