Curtis (Chris Evans), one of the world's population who survived a failed scientific experiment to stop global warming and it is precisely that experiment creates ice ages on Earth were destroyed almost all living things. Curtis continued his life in a giant train that travels the world named "Snowpiercer" along with other survivors. Over time, the train has become a sort of a new habitat for humans, there are various groups and social classes began to form in it. The elite population more trains occupy the front, while the back is filled with people who are poor and hungry. Conflicts occur when the occupants of the rear carriage demanding justice and plan to seize control of the train.