Vimalraj Ganesan

Vijay (Arjun) is a hitman who works for Sundaramoorthy (Radha Ravi). He kills anybody for a price, other than women and children and he lives alone in an apartment. Pooja (Pooja), a young girl, studies in a boarding school and comes to her father's house for the holiday. Between her abusive father, selfish stepmother and an arrogant step-aunt, Pooja feels rather badly but she treasures her lovely little brother Dinesh (Mahanadi Dinesh). Pooja tries to befriend with Vijay but Vijay is not interested. Her father is a drug smuggler. One day, a corrupt police officer Jayanth (Raghuvaran) kills Pooja's family including her brother. Vijay decides to accommodate Pooja and Pooja compels him to teach her his skills as a hitman. What transpires later forms the crux of the story.

The intertwined stories of an international Don in Malaysia, David Billa, chased by the cops, an Indian police officer, a woman who wants to avenge the death of her brother, and a lowly thief, Velu who shares with Billa, an unusual connection.

Vijay, a carefree and frolicsome youth, is sent by his father Deenadayalan in Ooty to work and becoming a responsible businessman. There, he falls in love with the college student Anjali. Her brothers are dangerous criminals and they are against their love because Vijay's father is a police officer. Thereafter, Devaraj is sent to jail so his brother appoints the lawyer Karnaa who is disabled and a sensitive person. Later, Karnaa falls in love with the school teacher Amudha, after few quarrels between both. One day, Deenadayalan saw Karnaa at the court who looks like his son Vijay. In the past, he had twin boys, but abandoned one of the twin baby because he was disabled. Karnaa is upset when he knew the truth and is now determined to win the case in front of his father.