Naoaki Muroboshi's Beniyā Okiku to Demodori Kitsune is a historical mystery set around a village teahouse called Beniyā, where the Edo musician Mojiyaka arrives amid a growing disturbance. An incident at the Shirako Shrine casts an ominous shadow over a young restaurant heir, Inosuke, and the teahouse girls.

Words of a curse spoken at Shirako Shrine unsettle the intentions of everyone gathered around Beniyā.

At a House of Representatives Budget Committee meeting, the Minister of Industry Promotion's prepared answer is replaced by an unknown person. Compliance Promotion Office director Mimura investigates who is responsible for the erroneous response in this political mystery.

A substituted answer sheet brings a hidden mystery within the Diet to light.