A mysterious group kidnaps a politician, an advocate, a businessman and a police officer. The Chief Minister of Tamil Nadu Thamizharasan (Thol. Thirumavalavan) pressures the police to find the culprits. Ilavarasu (Yuvaraj), the leader of the group, contacts Thamizharasan via email and tells him why he had to kidnap them. Ilavarasu was a carefree student who lived with his parents and his sister Jaya. One day, Raghava, the brother of the local don Kottai Kumaraswamy (Muthuswamy), and his friends eve-teased and molested Jaya in a shop. Ilavarasu and his friends caught them and took them to the police station. Raghava and his friends were then sent to jail. A vengeful Kottai Kumaraswamy threatened Ilavarasu's family and made their lives miserable. Ilavarasu's father sought the help of ACP Venkatesh and filed a complaint against Kottai Kumaraswamy but Venkatesh being Kottai Kumaraswamy's loyal man threw away his complaint. Kottai Kumaraswamy's henchmen continued to tease Jaya and one day,