Kyogokudo is a used book seller who doubles as an onmyouji, or Heian style occultist. His friend Sekiguchi brings him the story of a woman who has been pregnant for twenty months. Sekiguchi investigates further with the help of his friend Enokizu, a detective with the unusual ability to see people's memories. They are hired by the impossibly pregnant woman's sister to find the woman's missing husband and lay this whole matter to rest. In the end, they need the help of Kyogokudo to exorcise the family curse.

A series of murders of beautiful girls occur in Tokyo not long after the end of the war. Also the daughter of a retired actress, Yuzuki Yoko, has gone missing. In the meantime, a religious cult that claims to shut away misfortunes in a box has been gaining popularity, displaying an eerie aspect. Yoko's daughter is alleged to have been run over by a train, and taken into a research institute situated in a gigantic box-shaped building. A private detective Enokizu (Abe Hiroshi), a writer Sekiguchi (Shiina Kippei), a journalist Atsuko and a police detective Kiba each pursues their own case, and Chuzenji (Tsutsumi Shinichi), an owner of a secondhand bookshop, "Kyogoku Do" suspects that all cases are linked to the box-shaped research institute.