The drama, based on a novel by Keiichiro Ryu, tells an alternative history in which the historical shogun Tokugawa Ieyasu is killed at the Battle of Sekigahara and his double Jirosaburo Serada becomes the ruler of the country instead.

徳川家康が実は関ヶ原の戦いで西軍により暗殺され、影武者と入れ替わっていたという内容テレビドラマ。