G. K. Gopinath

Sabapathy (Sathyaraj) is a widower cinema theatre owner and a school owner, he treats his son Sakthi (Sibiraj) like his friend. Sakthi falls in love with Shalini (Gajala) the daughter of, a corrupt politician, Lingam (Kota Srinivasa Rao). Vijay (Ramana) clashes against Sakthi at the college election and Sakthi wins it. Lingam, Vijay's father, enters in the conflict. After some fights, Sakthi kills Lingam and Vijay.

Dorai (Arjun) is a do-gooder don. But a police force led by ACP Easwara Pandian (Prakash Raj) and his sidekick (Sathyan) are after him. However, the poor need him as he is a Good Samaritan running an orphanage. He has help from his friends (Manivannan and Vadivelu). But Dorai has a problem. His mother (Sujatha) doesn’t approve of his ways. She feels that he is just a loutish goon. There is also Anjali (Mallika Kapoor), a TV journo, who is in love with Dorai because of his dare devil ways. Dorai has a past too. He was just an honest-to-goodness school teacher, who ends up as the deathly Dorai after a fire ravages a school and kills several children. The incident forces him to take on the system of venal officials and politics. Now, Dorai’s biggest task is to nip a dark and dire politician who wants to bomb the city. The rest, as they, is all cinematic clichés.

Kaasi learns the location of the people responsible for his parent's death and decides to seek revenge. However, unexpected circumstances cause Kaasi to become a gangster himself.