The movie begin had in its title sequence through which a Politician is killed by a Suicide bomber who explodes her explosive belt. C. I. D. Shankar and his assistant Raju(Thengai Srinivasan is deputed to the Nilgiris to analyze a case of mysterious homicide. C. I. D. Ashokan(Pakkirisamy) additionally keep for the city, who pose at analysis of natural, his shut relation of lover's membership dancer Reeta(Jayakumari). Ashokan finds all reality and he goes to Nagamalai property, the place he provides raise to a younger woman who explodes her belt.Ashokan provides diary and locker key to Vithya(Sakunthala) who saves his life and admits him within the hospital. However unfortuneately ashokan was killed by the mysterious gang in hospital. Vithya provides the issues to Shankar and each fall in love. Raju falls in love with actress Rama(Kumari Radha), who additionally stays in the identical resort. Shankar meet Reeta and asks her to assist him. She provides data to his assistant Raju and afterward she is killed by the identical mysterious gang.
