[Dream of the One-Eyed Dragon] Toshikatsu Doi, a senior councilor who plans to strengthen the shogunate, dispatches a group of Yagyu swordsmen to various places under the pretext of teaching swordsmanship. Tokugawa Tadanaga, who was ordered to commit seppuku on unfounded suspicions, ordered his close retainer Hyoma Otaki to eradicate the group of Yagyu swordsmen who had become the running dogs of the roju.