The film is the story of Anand (Kamal Haasan), a journalist and a martial arts expert. Anand is in love with Sripriya. He gets a microfilm showing the wrongdoings of underworld king Sudarsan. Now the gang is after Anand for the microfilm. Sudarsan's gang member Sathyapriya befriends Anand to get the microfilm, but fails. Meanwhile, Anand's love Sripriya leaves her house as her father, and Major Sundarrajan is against their affair. Sripriya gets threatened by Sudarsan's gang for the microfilm. Anand's friend Y. G. Mahendran also gets trapped by the underworld gang to retrieve the microfilm. Anand had to fight against his martial arts master too, who is an aide of Sudarsan. Finally, Anand succeeds in eliminating the entire gang, saving the microfilm.