Climatologist Jack Hall believed that a new ice age would occur in the coming decades. He was far from imagining that the catastrophe was going to be imminent… Indeed, unpredictable and extremely violent climate change is hitting the entire world. Floods and tornadoes sweep across countries, wreaking havoc. Temperatures are falling at lightning speed, destabilizing the population who must struggle to survive. Jack must at all costs convince the President of the United States as quickly as possible to leave the country, in order to save millions of lives, including that of his son, Sam. Jack leaves for New York where the temperature is around -20°C . There, a race against time begins to save his son and his friends trapped by bad weather.