Iemitsu, Hikoza and Isshin Tasuke - A National Crisis: Edo Castle in Danger

Yagyu Jubei, the finest swordsman in the land, is called upon to bare his blade to help Iemitsu keep his post. Meanwhile a fishmonger named Isshin Tasuke who bears an amazing resemblance to Shogun Iemitsu may be called upon to put his life on the line by acting as the Shogun's double.