To escape the summer heat, Doraemon (voiced by Huimei Ohara), Shizuka (voiced by Yumi Ohara), Fatty Tiger (voiced by Kimura Takashi) and Xiao Fu (voiced by Guan Zhiyi) come to an iceberg floating in the South Pacific Ocean. They used the props "Ice Sculpture Craft Group" to create a thrilling and interesting amusement park, and the friends forgot to return. But just then, the park suddenly collapsed, and Nobita accidentally picked up a gold ring from the ice. According to the survey, the gold ring was actually the product of 100,000 years ago. In order to find its owner, Doraemon and his party travel through time and space. In the ancient South Pole, they saw a mysterious city and discovered strange creatures. And their adventure will be closely related to themselves and the fate of the earth.