Geophysicist Dr. Toshio Tanabe (played by Keiki Kobayashi) leads his team to explore the deep sea, only to discover abnormal cracks and mudslides on the seabed. After a series of investigations, he concludes that the Japanese archipelago is about to sink in a year. But Japanese government officials believe that Dr. Tanso's prediction is only
Geophysicist Dr. Toshio Tanabe (played by Keiki Kobayashi) leads his team to explore the deep sea, only to discover abnormal cracks and mudslides on the seabed. After a series of investigations, he concludes that the Japanese archipelago is about to sink in a year. But Japanese government officials believe that Dr. Tanso's prediction is only