A detective probes the brutal murder of a woman in a red light district while a housewife hides her double life as a prostitute from her husband.

An "air doll" suddenly come to life one day. Without her owner knowing, she goes for a walk around town and falls in love with Junichi. She starts to date Junichi and gets a job at the same store where he works. Everything seems to be going perfect for her until something unexpected happens.

The Yazawa family consists of the father Takuro (Koji Yakusho) - who is always busy day trading, charming wife Erumi (Satomi Kobayashi), and teenage son Tetsuya (Eita) - who dreams of becoming an astronaut. The family is also joined by Saburo Akiba (Junichi Sawayashiki), a good-natured teen recently released from a juvenile corrections facility. Then one day Tetsuya falls into a coma from a car accident. A chain of events is set to occur set-off by the father taking a phone call from an unsuspecting girl named Hikari. The father pretends to be his son Tokuya...

A private investigator takes on an odd job to retrieve a lost Rolex, only to find himself lured into a case filled with violence and sex by his mysterious employer.