Layton comes to terms with his past decisions before making an irreversible call.
Layton discovers that some dreams aren't worth having. Wilford makes a shocking discovery.
As the train detours from New Eden, an environmental catastrophe threatens everyone onboard.
The train throws a party. But alliances are tested as the truth is finally revealed.
New Eden hangs in the balance. Melanie is shocked to see something mysterious in the distance.
The Snowpiercer crew marvel as a rocket shoots through the sky, crashing nearby.
Melanie realizes something is wrong as Milius and his Animal Squad storm the train.
Layton demands to use Big Alice to rescue Liana, but Ruth, now Mayor of New Eden, refuses.
Big Alice catches up to Snowpiercer and Milius radios them, inviting Layton over.
Layton hears the deal: Liana for Big Alice. He agrees and the trains dock at the silo.
Nima needs more skin samples, so Milius sends Wilford and the soldiers to collect.
Jennifer Connelly
Melanie Cavill
Daveed Diggs
Andre Layton
Mickey Sumner
Bess Till
Alison Wright
Ruth
Susan Park
Jinju