Nagarvadhu movie is about the story of Sukanya (Vani Viswanath) who is born in a pious Brahmin household as the eldest of three daughters, is a medical student. She is to marry her lover and neighbour Sethu Raman. But when Sethu Raman is hit and killed by a jeep and when Sukanya is abducted and later arrested on charges of prostitution, things take a totally new turn for her.Sukanya is married off to Sreeharshan.