Kitai and his father Cypher crash-land on Earth, 1000 years after natural disasters forced humans to flee it. Now Kitai must tread uncharted terrain to signal for help after Cypher injures himself.
After learning about some major developing storms, Pete, a storm chaser, heads to Silverton to film tornadoes. Soon, he discovers that a tornado shifts course and heads towards a high school.
When a sudden worldwide storm begins to plunge the entire planet into a new ice age, paleoclimatologist Jack Hall undertakes a dangerous trek to New York City to save his son from the disaster.
Ewa Cybulski and her sister Magda sail from Poland to New York in search of a better life. However, the sisters are separated at Ellis Island and Ewa is forced into prostitution.
Lizzy, a 10-year-old, and her mother, Kathy, drive to her father's house as it's his turn for custody. Things take a turn for the worse when Kathy hits something with her car in the dark of night.