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Vidya is running from pillar to post asking neighbours whether they have seen Mini. The caller has asked the nurse not to report for duty. A distraught Vidya calls the nurse who takes care of Mini when she is away and finds out that the nurse has not come in to work because she has received a phone call from someone pretending to be Vidya. One day when Vidya is away at work, her daughter goes missing. Vidya also maintains a diary where she records everything that happens in their lives on a daily basis. She works extra hard because she is saving money to take Mini to America in the fond hope that the girl will walk again. However Mini is a happy child and Vidya dotes on her.
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Mini is paralysed waist downwards and therefore she has to use a wheel chair. Vidya Sinha(Vidya Balan) is a middle-class working mother who lives in Chandan Nagar in West Bengal with her teenage daughter Mini Sinha.
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