Watch the trailer of Vidya Balan's 'Kahaani'

New Delhi: Vidya Balan is all set to take over screens again - this time for Sujoy Ghosh's 'Kahaani'. Based on the story by Advaita Kala, the movie is supposed to be a thriller based on a pregnant woman's search for her husband in Kolkata during the Durga Puja festival. The search for 'someone who does not exist' as the trailer says - gets her from London to Kolkata. The movie also apparently has Emran Hashmi in one of the main roles.

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