Summoned by an unmarked telegram and meeting a woman, Ayae, at the mentioned location; Kenji arrives to a building seperated from the others in the town. Inside he finds a girl masturbating surrounded by flowers and another girl who keeps neatly arranging shoes and breaking them up again and again. Ayae asks him to help these girls that are kept seperate from the village due to a mysterious illness. Kenji can't refuse her plea. As time passes sexual affairs to stop their fits gets bolder and bolder....