A boy and girl struggle to understand their place in 1980s Japan, retiring to copulate and probe each other for answers.

A young man gets thrown into detention after an episode of sexual assault; he soon meets several impostors in the same situation.

Tetsuaki's struggling to write a novel while his mother fades; Mitsuko's engagement has been forced upon her unwillingly; the two individuals run away to share their grief.

Kasumi is in the midst of an affair with Ishiyama, one of her husband's clients. When Kasumi and her family visit Ishiyama's villa in Hokkaido, she plans to abandon them to be with Ishiyama. The next morning, her daughter Yuka disappears, which throws Kasumi's life into turmoil. Years later, Yuka remains missing, and Kasumi journeys back to Hokkaido with Utsumi, a terminally-ill former detective, and tries to follow any leads she can.

During the fervently nationalist months leading up to World War II, a rebellious teenager is transferred to a new primary school in a small Inland Sea town. He vies with the school’s reigning bully, who takes a romantic interest in his older stepsister. When they learn she’s going to be sold to a brothel to pay off her father’s debts, they form an uneasy alliance to free her.

Shortly after moving to the suburbs, the Kobayashis start to come undone. Convinced a family curse is at the root of their erratic behavior, the man of the house takes it upon himself to course-correct before it takes the last of their sanity.

In her brother's apartment where he died, Yuki finds a vacuum cleaner with its cord still hooked up to the outlet. She discovers that the circumstances surrounding her brother's supposed suicide are sketchy at best, yet no one has any answers. When she starts having hallucinations involving his ghost, however, she seeks some psychological help, eventually uncovering some things that she may have wished she'd left covered.

A young student believes that the spirit of an alien from another planet has gone back in time, taking over his body to infiltrate and study humanity in order to find the reasons why our civilization is doomed to future destruction. He replicates the spirit of another alien in a girl that he meets, and together they use their video cameras to document modern urban Japanese society.

The life of a urban planning official and that of an old fellow student, now project developer, are turned upside down by a chance encounter with a beauty obsessed by UFOs.

Nanako returns to her hometown on the tiny island of Aguni to meet her grandmother Nabbie. However, when Nanako's ferry arrives, it is also carrying Nabbie's former lover, who has returned to Aguni after a long absence.