After losing everything in a bitter divorce, Peter retreats to a secluded cabin in the Catskill Mountains, where he is trapped by earthquakes and months of unrelenting snow. Just as he is convinced he is the only survivor of a mysterious global cataclysm, he meets a woman seeking refuge from a past she won't reveal.
Her arrival rescues him from unbearable isolation, but when the snow finally stops and her secret catches up with her, Peter is forced to choose between saving her life and following his conscience.
His decision sends them running for their lives and searching for answers as the melting snow reveals a world unlike anything anyone has ever seen. Together they will learn not only what caused the greatest disaster in the planet's history, but that the worst may be yet to come.