On a divided Snowpiercer, Melanie intensifies her search for Layton while Layton is weaponizing her secret. Third Class faces a reckoning when he presents them with a choice.

Melanie fights for survival in treacherous conditions, vying to do what others before her could not.

Layton descends into the black market with Till, searching for both the killer and a valuable commodity for his revolution. Melanie stages a prize fight to distract the passengers from…

A shocking twist in the murder investigation brings Layton and Till’s manhunt to a cat-and-mouse climax. But Layton is getting too close to Melanie’s big secret, which may prove the…

An engineering catastrophe on Snowpiercer forces Layton to make a difficult choice, one that might cost him everything.

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…

Wilford presses forward on his endgame while those who are close with Layton grow anxious to learn their fates; Josie tests her newfound ability.

As the train approaches Melanie’s retrieval point, Layton leads a furious attempt to try and pick her up but not without some sacrifices.

Hiding out with help from his allies, Layton lays track for revolution and an engineering emergency threatens every soul on Snowpiercer.

An exchange is made between the two trains, but a far greater revelation might be just over the horizon.

Melanie embarks on her most dangerous mission yet, while Layton reckons with his personal choices.

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…

As the Big Alice crew are granted shore leave on Snowpiercer, Layton and Wilford have differing opinions on the future.

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…

Layton and Miss Audrey make a risky play for Big Alice, but Wilford has his own plans.

As the Oscars approach, Ernie shares devastating news, Camille listens to sage advice from Hattie McDaniel, and Archie takes a stand on the red carpet.

Henry’s scheming at director George Cukor’s star-studded party leads Jack to a revelation about his wife — and Roy into a private meeting with Dick.