Mr. Wilford arrives and threatens Snowpiercer, so Melanie makes a move that can’t be undone.

In the revolution’s aftermath, Layton and Melanie realize the greatest threat to their survival is right over their shoulder.

The rebel forces are on their heels when a dangerous foe joins them. A plan is hatched to take the train, but it may destroy them all.

Revolution has finally come. As Layton leads the lower classes forward in armed rebellion, Melanie’s house of cards collapses.

Tensions between Third Class and First Class are boiling as Melanie stages the trial of the Snowpiercer killer. Third Class threatens a work stoppage, demanding representation on the jury, and…

Layton uses his new position as train detective to investigate the murder while gathering intel for the revolution on the side. Meanwhile, Melanie faces a resource crisis, with potentially drastic…

A grisly murder stokes class division on Snowpiercer, the Great Ark Train. Melanie Cavill, the powerful head of hospitality, deputizes a dangerous rebel to help solve the killing — Andre…

Dean continues to struggle. Meanwhile, Sam must think fast when action figures come to life, and our heroes find themselves living in a real-life horror movie.