After the siege of Osaka, Tokugawa Ieyasu stands as the winner of the contest. Saizo Kirigakure and Yukimura Sanada manage to escape on a boat through the thick fog. Ieyasu's orders to his ninjas are forceful, he cannot remain any survivor on the opposite side. Meanwhile Saizo, loyal to Sanada, will look for the perfect opportunity to finish off Ieyasu.