A massive comet from the edge of the solar system hurtles toward earth, triggering a global catastrophe that plunges the planet into a dark, freezing winter. As the world faces an uncertain future, survivors struggle to adapt to a hostile environment where the sun is obscured and traditional social structures collapse. Amidst the chaos, a father and daughter fight to reunite while scientists analyze the devastating impact of the comet on the earth's climate and ecosystems.