Pregnant and alone in the city of Kolkata, a woman begins a relentless search for her missing husband, only to find that nothing is what it seems.

Vidya Sinha (Vidya Balan) has only one obsession in life. She wants to see her teenage daughter Mini, who is paralysed waist-downwards, walk again. But, is this scenario as obvious as it seems? Or is Vidya an impersonator of Durga Rani Singh from Kalimpong, who is wanted for kidnapping and murder?

Bob Biswas, a hitman-for-hire, comes out of a prolonged coma and struggles to recall his identity but suffers a moral dilemma when the memories of his past resurface.