 A common love for heritage and culture had seen the conservation architect from Mumbai, Sudipa fall in love with Ujaan, an explorer as he liked to call himself and someone who conducted walks of different nature all over Kolkata and nearby towns as a tourist guide.But, of course, life after marriage turned out to be unlike what they had expected leading to their eventual separation.Over the course of the 30 odd hours of the train journey, we come across not just a way of knowing how all these passengers spend their time, but also get an insight into the failed marriage of Ujaan and Sudipa.