Vidya Bagchi (Vidya Balan) arrives in Kolkata from London to discover her missing husband Arnab Bagchi. alone in a town that is joyous, seven months, she begins a search for her husband. With nothing to count on except fragments from her thoughts all traces seem to attain a dead end when everyone tries to convince Vidya her husband does not exist. She slowly realises that nothing is exactly what it sounds. At a city saturated in establishes, Vidya is determined to unravel the facts about her husband at the expense of her life - even for her unborn child and herself.