A dramatized global warming event triggers a barrage of epic natural disasters: tornadoes
flatten Los Angeles, a tidal wave engulfs New York City and the entire Northern Hemisphere
begins to freeze solid. An assortment of individual narratives are threaded together to follow
the various catastrophes and their effects on local populations, including the stories of
climatologist Jack Hall, his son Sam, and other small bands of survivors as they ride out the
growing superstorm