train car full of lettice

In a future where a failed global-warming experiment kills off most life on the planet, a class system evolves aboard the Snowpiercer; a train that travels around the globe via a perpetual-motion engine.

More than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.