Sakai Nobunari an Elder in 'Honmaru' (or the main enclosure) and Mizuno Tadakuni an Elder in 'Nishinomaru' (or the south-east enclosure) have been at odds behind the scenes over the marriage of Tokugawa Ieyoshi, heir to the Shogunate. Kyoshiro, who has come back in Edo after 3 years is involved in it against his will. It's because he gets to know Lady Mihoyo who is a spy for Sa...