Opening the trailer with the announcement, "Attention all passengers, Mr Wilford would like to address the rumours of disturbances in the tail. Let me assure you, your security is our highest priority. Order will be restored", we know that this train ride is going to be anything but smooth.

Snowpiercer takes place seven years after the collapse of society due to a global climate catastrophe. All remaining human life now lives aboard the massive Snowpiercer, a perpetual-motion train constantly circling the icy surface of the earth.