The world has fallen, and countless "blood epidemic forbidden areas" have fragmented the human world. The center of the highest-level restricted area is where {Jiang Che}'s only sister is trapped. In order to find his relatives, Jiang Che formed a "forbidden zone expedition team" and relied on homemade chemical defense equipment and familiarity with the terrain of the restricted zone to pass through the virus-ravaged death zone again and again. But as the expedition team continued to go deeper, they discovered that deadly viruses were never the only ones hovering deep in the restricted area. The covered-up bloody truth and unnatural and terrifying existence are tearing open the last fig leaf of human civilization bit by bit.
