Doomsday radiation sweeps across the land, and the safe zone lures people into the city with "gold cards". Lin Qing sacrificed his life for his teammates. Yu Kun and Zi Shu entered the "golden cage", only to find that the outer circle was just an abandoned buffer zone. In desperation, they rebelled and defended the last sapling with their lives. At the end of the darkness, a touch of green grows quietly.
