Snowpiecer In an attempt to curb global warming Countries around the world unite to release chemical CW-7 into the upper atmosphere. The result is a new ice age that wipes out all life on earth. The last survivors of humanity live on a train, created by the godlike Wilford, that is in perpetual motion around the globe and at this time the train has been circling the world for almost 18 years. The train is separated into an elaborate caste system, based upon the type of ticket passengers had when they first boarded. Those with first class tickets live towards the front of the train with every luxury imaginable. Those that had 3rd class tickets or were free riders live at the end of the train and lost all of their human rights. In the film, the class distinctions on the train mirror the class struggles between Karl Marx's bourgeoisie and the proletariat. Those in the front of the train represent the bourgeoisie or capitalists and those at the back of the train represent the proletariat whose “work” is to procreate. The most obvious scene that suggests Marxism is when, Claude, the right hand of Wilford, enters the back of the train to take children of a certain size again. At one point the father of a seized child throws his shoe at her head. After which Minister Mason, represents Wilford who doesn’t leave the front of the train, comes in to bestow the punishment for this so called atrocity, along with a speech; “Order is the barrier that holds back the flood of death. We must all of us on this train of life remain in our allotted station. We must each of us occupy our preordained particular position. Would you wear a shoe on your head? Of course you wouldn't wear a shoe on your head. A shoe doesn't belong on your head. A shoe belongs on your foot. A hat belongs on your head. I am a hat. You are a shoe. I belong on the head. You belong on the foot. Yes? So