It was touch and go for a while, but Darren and Vicky just about make their train. They sink back into their seats with relief and congratulate themselves on their good fortune. Little do they know that they are in for the journey to end all journeys...
They haven't been travelling for very long when it happens. The carriage begins to get hotter and hotter, the scenery outside starts to look like nothing on earth and in the middle of it all is Nick, the buffet steward with the goatee beard and terrible temper. And when he says "final destination", he really means it...