Sabarivasan is a doctor by profession and cannot tolerate injustice by any means. Nandhini, a college student, meets Sabari and falls in love with him. Eventually they both get married. Vajravelu is a local criminal working for a minister. Vajravelu's brother-in-law Ezhumalai is arrested by the police for a brutal murder. While trying to escape on the way to court, he is shot by a policeman. Vajravelu's henchmen take Ezhumalai to Sabari and force him to operate. Sabari removes the bullet, but he beats up all the henchmen and produces Ezhumalai to the police. Ezhumalai is sentenced to death and is hanged.
Vajravelu is angry and vows revenge. Vajravelu comes out on bail and kills Sabari's father. He also kidnaps Nandhini. Sabari fights against Vajravelu and saves Nandhini. On the way back to the hospital, Sabari is stabbed by Vajravelu's wife. Vajravelu and his henchmen arrive and injure Sabari. They leave thinking Sabari is dead, but he is saved and admitted to hospital. Knowing this, Vajravelu comes in search of Sabari. Sabari fights them back and kills Vajravelu.