Kamal Hassan new movie Vishwaroopam, A middle class girl from Tamil Nadu named Nira alias Nirupama is in US for doing higher studies.There she marries a dance master, Viswanathan. No love exists between them but they lead a normal family life.Viswanathan also runs his dance school without any problems.Nirupama completes her PhD and takes up a job. It is then that she develops new ambitions.