A man with a troubled past including incest with a younger sister and the murder of a woman travels to an isolated countryside town in Nagano. There a local who mistakes him for a famous television actor shows him the town's sites, including a strip bar in which the performers remove Heian era costumes. The film's narrative is in an allegorical and disjointed manner with references to Buddhist concepts.

乡间公务所小职员亮介（本多菊雄 饰）的母亲去世，远在都市求生的弟弟健司赶回来奔丧。亮介此前有外遇，出于报复心理，其妻子春代（叶月萤 饰）与健司暧昧不清。最终，摇摆在兄弟俩之间的春代离家出走，在一家温泉旅馆作女招待。在此期间，春代重逢了高中时代的恋人仓田，二人旧情复燃。
郁闷的亮介兄弟互相看不顺眼，某晚健司外出寻欢，结果被花花公子村上医生揍了一顿；亮介驱车前往城里的酒吧，不仅挨了一顿打，还目睹一起杀人案。
这个夜晚，对于亮介、健司还有春代，都十分不寻常……

Five suicidal people meet on the Internet and form a 'suicide group'. They arrange to meet at one of the member's homes to spend their last hours together.