Embedded with fast-paced action and charged emotion, this Romantic drama starts with Unni (Dileep), who hails from a royal family, returning from prison. He had killed the son of a large family who are now searching for him. Unni's parents take him to Chennai and enroll him in a law college.
In the new environs of the city, he thrives. There he meets Meera (Rambha) who falls in love with him. However, complications emerge when Unni ends up getting into a fist-fight with Meera's brother's gang at the college. As always, Unni wins. So they send a "killer" to break his arms, who runs away on seeing Unni. Meera falls in love with him. Unni saves Meera's brother and they become friends. Then it happens that her family members are all politicians. Soon they become family friends and they fix the marriage between Unni and Meera.Unni then narrates his flashback to Meera.
In the flashback he elucidates how he met Aswathy (Kavya Madhavan) in a temple and how he fell in love for her. Unni was studying in Cochin Law college where he stood for elections and won. His father did not want his son to be the leader and Unni left the house after a feud with his father.
He made his living as an auto-rickshaw driver. One day, one of his friend's autos is taken by the finance company without any reason. Unni goes to the office and hits the manager. The manager sends his thug, who is the "killer" now in Chennai. Unni breaks his arms and takes the auto from the company.
Then he becomes their hero. Aswathy's parents have died and are looked after by her three uncles. Aswathy thinks that her uncles are good but they are corrupt and one wants his son to marry Aswathy so that he can inherit all her parents' property. Aswathy accidentally gets into the auto-rickshaw of Unni when she is going to met her uncle's son who has come from Bangalore. From the travel he comes to know about her name and her house. Unni comes to know that she was going to meet her future husband and as he is love with her, delays the travel by all means.
She becomes fed up with him and decides to tell her uncle. She along with her uncle plan to make fun of him and calls Unni to her House. Unni learns that Aswathy's uncle is the auto company owner and they beat him badly. She falls for him when she sees him being injured. They decide to get married and in the drama that follows Unni kills Aswathy's uncle's son.
Meanwhile, Unni receives a phone call from Aswathy telling him that she is still waiting for him.Then with the help of Meera he goes to Kerala to save her. Then he cleverly gets Aswathy in his hands and tries to escape through a truck. Chased by Aswathy's family and Meera's family they are saved finally by the auto-rickshaw drivers and get married.