Ichimatsu Torimonochou is a period drama work set in the late Edo period. Ichizou, a hired thief taker, cooperates in the investigation of the incident in which one of Fukagawa's prostitutes has been killed. While pursuing the unfamiliar decorations given to the victim's nails, Ichizou comes across a mysterious scroll painter, Matsunojou, who uses Yoshiwara as his headquarters.