In the midst of the disturbance in Otsuka village caused by Hamaji's disappearance, there comes the arrival of evil itself, personified by the jindai and his retainer, to whom the village chief and his wife soon fall prey. Only one man, Sosuke, is able to stand up to them, though it is he who is ultimately arrested and blamed for the murders of his step-parents. Meanwhile. Shino arrives in Koga and is granted an audience with the Shogun, Nariuji Ashikaga. The legendary Murasame sword that he offers up, however, is revealed to be a fake, and Shino becomes a hunted criminal. But the man released from captivity in the castle dungeon and assigned to capture Shino turns out to be none other than the fourth dog warrior, Genpachi Inukai.
En medio de los disturbios en la aldea de Otsuka causados por la desaparición de Hamaji, llega la llegada del mal mismo, personificado por el jindai y su sirviente, de quienes el jefe de la aldea y su esposa pronto caen presa. Solo un hombre, Sosuke, puede hacerles frente, aunque es él quien finalmente es arrestado y culpado por los asesinatos de sus padrastros. Mientras tanto. Shino llega a Koga y se le concede una audiencia con el Shogun, Nariuji Ashikaga.
