In order to avoid the scorching heat of summer, Doraemon (voiced by Mizuki) brought Nobita (voiced by Ohara Megumi), Shizuka (voiced by Kasyu Yumi), Fat Tiger (voiced by Kimura Subaru) and Xiaofu (voiced by Guan Zhiyi) to an iceberg floating in the South Pacific. They used the props "Ice Sculpture Craft Group" to create a thrilling and interesting amusement park, and the friends were happy. But at this moment, the park suddenly collapsed, and Nobita accidentally picked up a golden ring from the ice. According to the investigation, the golden ring was actually a product of 100,000 years ago. In order to find its owner, Doraemon and his party traveled through time and space. In the ancient Antarctic, they saw a mysterious city and discovered strange creatures. And their adventure this time will be closely related to the fate of themselves and the earth...