The unremarkable delivery made in Harbin in 1940 shattered into violence when Tong Changfu was ambushed, an event that set in motion a brutal cascade of consequences under the weight of occupation.

Ryohei Arakawa takes a mysterious recruitment call, and with it, begins a journey that leads him ever further into the heart of Japan's colonial ambitions and military apparatus.

The propaganda film's showing served to elevate Kojima Yukio's standing, subtly drawing him nearer to the concealed realities lurking beneath the veneer of official acclaim.

The disappearance of laboratory rats and the sudden deaths of horses revealed the initial fissures in a clandestine biological experiment, a project now spiraling toward unforeseen consequences.

During a routine inspection, Yulan is apprehended, an event that ignites a bold act of defiance, throwing the Japanese forces' preparations into disarray.

With the shadow of defeat looming over Japan, a desperate campaign commenced: the systematic eradication of all evidence pertaining to prohibited biological weapons.

As rescue attempts falter, long-concealed realities clash, and Chiyoko's devastating end lays bare the extent of the conspiracy's darkness.