Before Tokugawa Yoshimune, known as the "Ravage Shogun", was the lord of the Kishu domain, before he became the shogun! Yoshimune hides his identity and begins an investigation in the city of Edo in order to find out who he really is. As he grows up, he ends up throwing himself into a turmoil involving the shogunate... This is an entertainment historical drama in which a young 21-year-old named Yoshimune solves the problems of the common people in the city and goes around dealing with merchants and powerful people plotting evil deeds.