The opening of this novel reveals the thoughts of a painter, Heikichi Umezawa. Spurred by his belief that he is possessed by Satan, his hallucinations and intentions are horrific and gruesome. He plans to sacrifice six beautiful young virgins before committing suicide, and to use a different body part from each to create the perfect woman. However, before he can commit his heinous deeds, he himself is murdered. Within a month of his death the six young women in his family are all found murdered, each with a body part missing. Interwoven with astrological signs and clues, this is a gripping and baffling mystery for famous astrologer-detective Kiyoshi Mitarai to solve.