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.

Gym-freak brat Rocky falls in love with Rani, who comes from a well-educated Bengali family. Being from polar opposite worlds, the two decide to switch their families to adjust to each other’s cultures and backgrounds and to know if their marriage will survive. Rocky and Rani are trapped in a world where they are united by love but divided by families and the ultimate question is will they fit in?

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?

A couple lives though three different lives over different eras as destiny conspires to make them fall in love with each other, against all odds.