Throughout the reign of this shogun of the Tokugawa shogunate, the Yunagaya Domain in the Tohoku region is actually a small han. But at the han, a gold mine is there. Masaatsu Naito of Yunagaya Domain receives an order. Sankin-kotai is just actually a habit which needs that the daimyo to see the shogun in Edo. The period needed to visit the shogun in Edo to get Masaatsu Naito is eight days. Masaatsu Naito additionally learns he received the order as a high ranking government officer wants the mine. Also, the expense for Sankin-kotai is high and also the Yunagaya Domain Name is such a han it appears impossible to complete. But Masaatsu Naito begins an unexpected operation.