London's Victoria Station or King's Cross; the Gare du Nord in Paris and Chhatrapati Shivaji in Mumbai; Berlin, Vienna, Cologne - the names alone promise anecdotes, adventures, technical and logistical wonders. This film documents an entire day in some of the world's largest and famous railway stations, highlighting a particular aspect of the comings and goings in each location. Around the world - in almost 24 hours.