Did Melanie manage to save herself from the scrutiny of everyone in First?
On Snowpiercer Season 1 Episode 7, she intensified the search for Layton by taking down some of the people close to him.
Meanwhile, Layton weaponized a secret that could derail the train for good.
How did his plan shake out?
Elsewhere, Third Class faced a reckoning when he presented them with a choice.
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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.