Set in the near future in Tokyo, Japan. The evil terrorist organization Galactor has declared war on the world. The group possesses more advanced technology than governments and occupies over half of the planet. Dr. Kozaburo Nambu of the International Science Organization gathers together 5 superhero ninja agents, known collectively as Gatchaman, to stop Galactor.

In Tokyo, Shigeharu Aoyama is a widower that grieves the loss of his wife and raises his son Shigehiko Aoyama alone. Seven years later, the teenage Shigehiko asks why his middle-aged father does not remarry and Shigeharu meets his friend Yasuhisa Yoshikawa, who is a film producer, and tells his intention. However, Shigeharu has difficulties to approach to available women to date and Yasuhisa decide to organize a sham audition for casting the lead actress for the fake movie. They receive several portfolios of candidates and Shigeharu becomes obsessed by the gorgeous Asami Yamazaki. Despite the advice of the experienced Yasuhisa, Shigeharu calls Asami to date and he falls for her. But who is the mysterious Asami?

Tokyo is a city of transitions in three short films. A young woman who finds her life useless experiences a metamorphosis. A disheveled Caucasian emerges from a manhole to face arrest, trial, and execution; he calls himself "Merde" and speaks a language only his look-alike attorney understands. Is he human? A recluse experiences human contact when a pizza-delivery girl faints at his door during an earthquake. He conquers fear to seek her out. A chair, a corpse, a hermit: sources of urban connection?

Hiroko Watanabe's fiancé Itsuki died two years earlier in a mountain climbing accident. While looking through his high school yearbook, Hiroko in a fit of grief decides to write a letter to him using his old school address. Surprisingly she receives a reply, not from the dead Itsuki, but from a woman with the same name whom had known Hiroko's fiancé in school. A relationship develops between the two women as they continue to exchange letters and share memories of the dead Itsuki.

Japan, 250 years ago. Soetsu is a moneylender who is killed by the cruel samurai Shinzaemon. His body is dumped in the Kasenega-Fuchi river. According to legend, all who drown in the river will never surface again. 20 Years later, Shinkichi, the handsome son of Shinzaemon, coincidentally meets Toyoshiga, the daughter of Soetsu. They fall in love. It is a doomed love, as the spirit of Soetsu is far from dead.