Synopsis: Following the death of the Shogunate, it becomes evident that his death was no accident. He was poisoned because he wanted his eldest son to be heir to his throne. A war between the eldest and his younger brother erupts. Warriors take to each side swearing devotion to the prospective lords. The plot to pit brother against brother is secretly being controlled by the Yagu Family, a group of warriors who have trained the Shogunate's family in the art of swordsmanship. A group of Imperial nobles are also secretly pulling the strings of this plot, hoping to weaken the power of the Shogunate and restore power to the Emperor.