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After eons of existence as a roiling inferno, the sun is set to explode in a supernova that will bring about the end of the world in seven days.
As a civilized man turns into a raving mass of panic and hysteria-and as uncivilized man acts on his own depraved impulses, Shepard's team of survivors race against time to find the single saving grace to stop Shepard's predictions of apocalypse from coming true.
