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.

Juliana makes a startling discovery about her sister’s death. Frank reflects on recent events and makes an important decision about his future, and Tagomi gains greater insight into Juliana’s past.

Joe celebrates VA day at Smith’s house. Juliana accepts a job working for Tagomi as she continues her search for answers. Smith invites an old friend to join the celebrations…

A new community fights for survival in the Neutral Zone. Juliana and Joe get reacquainted, while Joe continues his undercover work for Himmler. Wyatt drops in on Juliana in San…

Juliana discovers she’s far from safe from the Resistance in the Reich. Smith confronts the reality of the lengths he’s willing to go to in order to protect his son….