The film is set in the future (AD 2031) where, after a failed experiment to stop global warming, an ice age kills off all life on the planet except for the inhabitants of the Snowpiercer, a train that travels around the globe and is powered by a sacred perpetual-motion engine. Its inhabitants are divided by class; the lower-class passengers in one of the last cars stage an uprising, moving car by car up to the front of the train, where the oppressive...
As Season One ended, so did the revolution, with Layton emerging as Snowpiercer's leader and another threat to the survivors fast approaching in the form of a rival train. In Season Two, Mr. Wilford arrives, bringing a secret from Melanie's past. A new power struggle emerges, causing a dangerous rift as people are divided between their loyalties to Layton and to Mr. Wilford, who has a new train, new technology and a game plan that keeps everyone guessing....