> After an attempt to stop global warming via climate engineering catastrophically backfires, creating a new ice age in 2014, the remnants of humanity have taken to a circumnavigational train, the Snowpiercer, run by recluse transportation magnate Wilford. By 2031, the passengers on the train have become segregated, with the elite in the extravagant front cars and the poor in squalid tail compartments controlled by armed guards. [1]
[1] https://en.wikipedia.org/wiki/Snowpiercer