Two thieves, Khalujan (Naseeruddin Shah) and Babban (Arshad Warsi), feeling frustrated with the lives they are leading under their ruthless ganglord Mushtaq (Salman Shahid), they steal the sum of 25 lakhs from him to flee to their home and not remain slaves to the system they are working under. On being caught by Mushtaq they manage a narrow escape right under his nose along with the money, thus bruising his ego greatly. Being on the run for their lives, they seek refuge with an old friend, and instead meet his widow, Krishna (Vidya Balan). She leads a dull and lonely life of a widow. With the coming of Khalujan and Babban there is new energy and enthusiasm that enters her life. Krishna’s youthfulness and serenity starts to flower again.