The conclusion of the first cycle of the great epic Samurai! The future of the empire is most uncertain. In a Japan crushed by misery, a man, Akuma, tries to seize the throne of Emperor Cerné on all sides in his fortress of Katsumoto, the emperor, at the head of a lower army in number and in arms will have to win, in a bitter and wild struggle, the greatest of victories: that of freedom. But his enemies are sometimes much closer than one imagines. When the moon finally rises on the last and terrible battle, the outcome is more uncertain than ever.