Nine months after Snowpiercer and Big Alice parted ways, Till and Ben encounter unforeseen enemies when Melanie sends them off the train on a reconnaissance mission. Meanwhile, the residents of…

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

Allsafe is controlled, the Dark Army is ready to meet Elliot & Tyrell and Joanna’s plan goes into effect.