For 19-year-old Jay, fall should be about school, boys and weekends out at the lake. But a seemingly innocent physical encounter turns sour and gives her the inescapable sense that someone, or something, is following her. Faced with this burden, Jay and her teenage friends must find a way to escape the horror that seems to be only a few steps behind.

Massive earthquakes open the Arabian tectonic plate, resulting in unstable weather and freezing temperatures that will be unsurvivable by nightfall. Attempting to reach safety, a vacationing family in Egypt must battle the rapidly cooling temperatures that usher in a new Ice Age, covering the Sphinx, Pyramids, and Sahara Desert with mountains of snow.