The film centers around Dan, a young warrior monk who travels the countryside looking for spiritual fulfillment. It begins at a secluded monastery in the woods, where a group of monks tend to the land and grow food in peace. During one of their most important ceremonies, their monastery is attacked by a group of bandits. Dan seeks refuge in the adjacent woods and looks for answers as to why this event happened. He sees that the bandits are using the monastery as a base to attack other nearby villages. Dan then makes a vow to avenge his sacred brotherhood.