Purgatory on Earth Under the Codename of the Black Earth Poison Network

During the Anti-Japanese War, the black soil of Northeast China was shrouded in the shadow of the Japanese secret troops. After being captured, Anti-Alliance scout Chen Mo was involved in a joint experiment between the 516th Chemical Unit and the 731st Bacteriological Unit, and witnessed the tragedy of countless compatriots being reduced to "road monsters". He struggled to escape in the purgatory shrouded in cold fog, but unexpectedly came into contact with the network of many criminal units such as 659 and 526. A secret battle of life and death that exposed the heinous crimes of the Japanese army began.