The Dragon King's Palace

It is June 1694, and Reiko, the wife of Sano Ichiro; Reiko's friend, Midori; the shogun's mother; and Lady Yanagisawa, the wife of the shogun's powerful second-in-command, are kidnapped and imprisoned in the tower of a ruined palace. The shogun demands quick action so Sano is forced to work with his sworn enemies.