Ministry of the Environment official Amami visits maverick seismologist Dr. Tadokoro, who theorizes that the Kanto region is in danger of sinking.
Following the sinking of Hinojima, the prime minister dismisses Tadokoro's theory as baseless. A magazine article jeopardizes Amami's career.
After the deputy prime minister refuses to believe Tadokoro's shocking prediction, Amami attempts to convince a renowned scientist to review the data.
News of Kantoโs possible sinking is suddenly made public, causing panic among its residents and a halt in trading. Amami proposes an evacuation plan.
The Kanto region suffers enormous casualties. When Amami learns the bus his daughter is on is caught in a tunnel accident, he sets out to find her.
Higashiyama announces a plan to rebuild the areas affected by the disaster but abruptly halts it. Tadokoro predicts catastrophe for the whole country.
Following Tadokoroโs arrest, Amami reaches out to an unlikely person for help with the scientific data. The resettlement plan hits an unexpected snag.
As news of Japan's crisis and resettlement talks is made public to the world, the country's citizens begin to lose confidence in their government.
The terrorist attack on the prime minister shocks the world. As Amami's team continues work on resettlement, a new infectious disease is discovered.
When other nations close their borders to Japanese immigrants due to the mutated strain, scientists hurry to develop a cure before time runs out.