M, a mystery writer, has a girlfriend of five years named F, who disappeared on Halloween night. When a woman comes and claims to be her sister, M begins the search for his girlfriend. Along the way, the people he meets describe a woman very unlike the F he knew.

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.

Five bizarre stories with no apparent connection to one another eventually become intertwined, resulting in surreal circumstances.

A Japanese businessman with a secret personality is sent to central Asia to find and collect the money erroneously transferred out of the company he works for. He gets involved in an international conspiracy, when the police consider him part of a criminal organization.

Michiko came to Tokyo to visit Hiromi but was instead found murdered. The renter of Michiko's place is missing. The police are having a hard time solving the case. There are no clues, and a connection between the dead woman and the missing renter is not forthcoming. The only hint is an item found near the corpse, but it complicates matters because it makes the file personal to one of the detectives assigned to the murder.