Global climate change is leading to a massive, permanent cold snap with terrible blizzards and ice storms in the northern hemisphere due to a foreshock from the Gulf Stream. A new ice age is coming! Helen and Mark desperately try to save their adult daughter Brie and her boyfriend Tyler, who have sought shelter from the winter storms in a remote school complex in the mountains. Trapped with five other teenagers who have not managed to leave school in time for the city, a fight for bare survival begins! Because the few food supplies are dwindling and temperatures continue to drop dramatically. Snow and ice masses make all roads and paths impassable! Meanwhile, the catastrophe seems to be unstoppable worldwide: The Eiffel Tower in France collapses under the ice masses and even the millennia-old pyramids of Giza sink into the snow...