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...
has snuck into Shanghai to carry 
out anti-Japan activities?
تسلّل إلى شانغهاي للقيام 
بنشاطات معادية لليابان؟
hat sich nach Shanghai geschlichen, um an
antijapanischen Aktivitäten teilzunehmen?
vino a Shanghái para ejecutar 
actividades antiniponas?
llegó a Shanghái para realizar 
actividades antiniponas?
aurait rejoint nos opposants,
ici à Shanghai ?
si è infiltrato a Shanghai 
per compiere attività anti-giapponesi?
em Xangai dando suporte
a atividades anti-japonesas.