Yuka, a female college student, is obsessed with delusions of herself being raped and is unable to go to university. She cannot escape the feeling of intimidation that the men around her are attacking her. Her mother, Kikumi, sends her Yuka to her psychoanalyst, Kurahata. Based on what Yuka says, Kurahata deduces that the biggest cause of Yuka's mental imbalance is likely to be her conflict with her mother, Kikumi. Kikumi is flashy and stands out no matter where she is, and apparently she has taken Yuka's first love, Kunisaka, a masculine schoolteacher, as her mistress...

In suburban Tokyo, commuters find themselves waiting every day with the same group of strangers for the same seat on the same train. Perhaps over 1000 days never knowing who they are, what their lives are like, where they live, who they love. Until one day, things change.