A sudden blackout plunges mining engineer Emmett Pierce into a frozen nightmare at the bottom of the Arctic Ocean. With dwindling supplies and relentless cold, his fight for survival is just beginning. He discovers a derelict cruise liner, and the chilling truth of what happened to the world above: a devastating contagion has erased humanity’s understanding, leaving behind chaos and madness. Now, Emmett must contend with a desperate band of survivors led by a ruthless zealot. Can he outwit the madness and escape this shattered world, or will it claim him as its final victim?