Diwakar is determined in his battle against terrorism and is after a gang that supplies arms to terrorists. Although they brutally kill his sister, he continues in his effort to find them.

The story begins with Kunjidhapadam (Aravindan) who comes from a small place to the city for an interview and he manages to find place to stay with his distant relative Subramanyam who is actually a defaulter on loans taken on interest. He is absconding b

The CBI is in search of Sooriyan, an intelligent security officer of central ministry, who is accused of murdering a central Minister. But he has taken shelter in a remote village.

Nattukku Oru Nallavan is the story of an honest police officer (Rajinikanth) and his fight against a dreaded criminal named Dddy (Anant Nag) who indulges in organ transplant mafia.