There are two villages on the land. They are called Farri and Nestarico, both surrounded by mountains. As the villagers of Farri have lost their houses and food, they've left the village to seek a new place.

Two villages Farri and Nestarico, both surrounded by high mountains, begin a war as a long cold season has continued. Although Farri is prevailing, the war comes deadlocked as a febris starts being spread around, which becomes a new threat for both villagers. Farri villagers try to go over the mountain to seek new world. On their way, one of them gets infected by a febris. In this situation, Sho, a Farri villager finds Kasa, a legend warrior of Nestarico with a golden rifle, dying on his way.