A catastrophe turned the world into a wasteland with collapsed order.

Some people live in fortresses, some hide in the wilderness, and some are transformed into another kind of creature by radiation.

The world has become two extremes. The powerful and wealthy have mastered the most advanced technology and isolated themselves from the troubled times with fortresses that have sprung up from the ground.

In a refugee area fraught with danger and where people exchange their own children for food, a hunter forced to make a living embarks on a road of overcoming obstacles in order to survive the coming winter.

In this dangerous and chaotic world, a group of brothers from grassroots backgrounds gradually made the world tremble.