A village woman abandoned by her husband is forced into prostitution in Kolkata and forms nameless yet strong relations with a wealthy patron as well as an abused boy in the neighbourhood.

An engineer's dream of making the perfect train for Indian Railways is given hope when the company commissions his prototype. After years dedicating himself to his dream, his family has suffered, but now he hopes to make it all up to them with the train's triumphant inaugural journey. However, an embittered fellow employee has other ideas.