Yasuo (Hiroshi Abe) grew up as an orphan. He married a woman he loved and they had a son Akira (later played by Takumi Kitamura). Yasuo's life seemed great at the time, but his life totally changed after his wife died in accident. Since that time, Yasuo, who never experienced parents' love himself, has to raise his son Akira alone.
In the early 1990s, experiments were carried out secretly in Japan. Two different methods were used in the experiments. One method involved forcing stress upon expecting parents and when the baby was born, provoke the baby into mutations and develop their special abilities. The other method involved birth to babies having abilities of animals and insects. The special abilities were derived from gene manipulation. Subaru, Saya and others were born from those experiments.
Humanity is suffering from a series of mysterious murders across the globe, known as the 'Mincemeat murders'. High school student Izumi Shinichi has a parasite living off him, having replaced his right hand, and he might be the discoverer of truth.
After the assassination of Tokyo's Governor by Yakuza members, the CIA bureau chief (William Atherton) for Tokyo puts out a call to an agent (Steven Seagal) that had been raised in Japan and trained by ex-Yakuza. Using his former ties, he quickly determines that a war is brewing between old-guard Yakuza members and a young, crazed leader (Takao Osawa) with ties to the Chinese Tong.
Hoping to catch a girl's attention, high school students Ken and Adama cook up an ambitious plan. They plan a festival that combines film, theater, and rock music, and develop their project into a school road block. This plan however catches the attention of television stations and newspapers, and soon even the cops became involved in this teenage adventure.
Yutaka was fourteen years old when he was run over by a car and fell into a coma. Now, ten years later, he wakes up and realizes that his family is not intact anymore: father, mother and sister live at different places. Yutaka decides to re-open the pony farm that his family once ran.
The Futurians, time-travelers from the 23rd century, arrive in Japan to warn them of the nation's destruction under Godzilla. They offer to help erase Godzilla from history by preventing his creation. With Godzilla seemingly gone, a new monster emerges as the Futurians' true intentions are revealed.
After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese government uses the cells to create a new bio-weapon, ANEB (Anti-Nuclear Energy Bacteria). They seeks the aid of geneticist Genshiro Shiragami, who's experiments result in a new mutation.