A streetwise hustler is pulled into a compelling conspiracy after witnessing the suicide of a girl who looks just like her.

La Tierra se encuentra cubierta de hielo y es inhabitable. Los últimos humanos vivos la recorren en un tren en el que sobreviven y tratan de guardar un equilibrio, que cada día que pasa se torna más frágil.

In season two, an entirely new power struggle emerges, causing a dangerous rift as people are divided between their loyalty to Layton and to Mr. Wilford, who has a new train, new technology and a game plan that keeps everyone guessing. While Layton battles Wilford for the soul of Snowpiercer, Melanie leads the charge on a shocking new discovery that could change the fate of humanity.

After an apocalyptic winter consumes the Earth, humanity’s survivors cling to life aboard a purpose-built train, endlessly looping the globe. First class passengers live in luxury, while those in the tail near-starve, until an unexpected murder sees ‘tailie’ detective Layton pulled to the front in order to investigate.

A group of strangers find themselves trapped in a maze-like prison. It soon becomes clear that each of them possesses the peculiar skills necessary to escape, if they don't wind up dead first.