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...
Here in Kosei, the most chaotic 
district in Shanghai,
.هنا في كوسِيْ، الحيّ الأكثر فوضويّة في شانغهاي
Hier in Kosei, dem umtriebigsten
Ort in ganz Shanghai.
En Kosei, el distrito más 
caótico de todo Shanghái.
En Kosei, el distrito más 
caótico de todo Shanghái.
dans la zone ouest de Shanghai,
la plus dangereuse.
Cinque anni a Kosei, 
il distretto più caotico di Shanghai.
Mesmo em Xangai, a região de Kosei
é considerada uma das piores.