Here is what we expect from :
The season 3 finale, titled "The Original Sinners," ended with one of the most radical changes in the show’s history. The train, Snowpiercer , was split into two parts. Layton (Daveed Diggs) and his followers took the small engine (Big Alice) and the remaining warm cars to search for a warm spot on Earth called "New Eden." Meanwhile, Melanie Cavill (Jennifer Connelly) and the remaining passengers stayed on the main train to maintain the eternal engine. snowpiercer sezon 4