Lord Mito Mitsukuni, the vice-shogun of the whole country, left the family estate and went on a trip to various provinces with his students Sukesaburo Sasaki and Kakunoshin Atsumi. At an inn in Sunagawa, Mitsukuni exposed and punished an evil judge who had fallen in love with a townsman's wife. However, on the night he stayed at Nihonmatsu Castle, Mitsukuni found out that this incident was a performance organized especially for him…