After catastrophic earthquakes devastate Japan, one family's resolve is tested on a journey of survival through the sinking archipelago.

A team of geophysicists investigating seismic activity on the seafloor discover that the islands of Japan, after suffering from massive volcanic eruptions and earthquakes, will be pulled into the ocean, killing millions.

Long-form adaptation of previous year's movie; due to a sudden tectonic shift, the country of Japan starts sinking.

In the aftermath of a major earthquake, scientists predict that Japan will sink into the sea. As further disasters follow, politicians plead with other countries to take refugees, while scientists struggle to save Japan itself.

In 2023 in Tokyo, Prime Minister Eiichi Higashiyama pushes for COMS at the World Environment Conference. COMS is a method to liquify pollutants and store it in the crack of the sea floor. Prime Minister Eiichi Higashiyama gathers young and talented bureaucrats and launches Japan Future Promotion Conference, which is to benefit the future of Japan. Keishi Amami of the Ministry of the Environment and Kōichi Tokiwa of the Ministry of Economy, Trade, and Industry are members of that conference.

retells the story of the aspiring painter (also a part-time waitress), Ai, who encounters the newly resident doctor, Kiseki, in her workplace; and a hidden message given from one's mysterious silhouette, that changed both of their lives.

In the year 2011 the greatest tectonic disaster in the history of mankind has occurred. As a result of the catastrophic earthquakes North and South America, Eurasia, Africa and Australia have sunken underwater while the Japanese islands remain untouched.

The Mutou family leads a peaceful life: Kouichirou works at a construction site and his wife Mari is returning from an overseas trip. Their daughter Ayumu has just finished her track practice while their son Gou is playing video games at home. However, life as they know it is flipped upside down when a calamitous earthquake strikes the entire Japanese archipelago—obliterating the face of the country in an instant. With society crumbling around them and their nation gradually sinking into the ocean, the Mutou family must band together to survive the catastrophe. Treading the near-apocalyptic setting, they struggle not only to stay alive, but also to learn the difficulty of coping with loss.