A corporate go-getter sees his priorities shift when a personal tragedy brings him face-to-face with political corruption.

Vidya Bagchi (Vidya Balan) arrives in Kolkata from London to find her missing husband Arnab Bagchi. Seven months pregnant and alone in a festive city, she begins a relentless search for her husband. With nothing to rely on except fragments from her memories about him, all clues seem to reach a dead end when everyone tries to convince Vidya that her husband does not exist. She slowly realises that nothing is what it seems. In a city soaked in lies, Vidya is determined to unravel the truth about her husband - for herself and her unborn child - even at the cost of her own life.

Dulhan is the love story of an innocent, illiterate girl Vidya and a mentally challenged young man Sagar. Vidya, on the night of her marriage, comes to know about Sagar's abnormal mental state of an eight-year old child due to an accident in the past. The story deals with Vidya's struggle in gaining Sagar's love and trust and the hurdles that she faces for the same from Sagar's evil step sister Sindoora.