Arun(Rajini) comes back from America after 10 years as a saint. His father(thengai srinivasan)does not want his son to be like that so he gets press reporter(radika) to change him back to a normal person like everyone else. Firstly she takes him out to the temple but pretends the car has broken down so she tells him to walk there. While he is walking she send a child crying.Arun picks it up not knowing it is a setup. He gives the child a chocolate, then another boy comes and shouts its the person who steals children then all the other children round Arun up. Then Arun manages to escape. Radika does this so she can cut off his beard which he grows when he is in America. After some time he changes to normal.After Arun goes to work and finds out that his father is sending money to someone for more than twenty years.
Later a man asks a lady that someone has prosposed to her nephew(rajni as john) He asks her that the brides parents want to know who johns parents are. She tells him that her that john was none other than Alex Pandian(rajni).
Then there is a flashback.
Alex Pandian was a police officer. He does not like corrupt people. One day he arrest the bad people who are selling illegal drinks. Then the boss of the bad people come and tells them to get them out. But Alex Pandian refuses and puts hime jail. Then he comes back out and takes revenge on Alex Pandian and kills him. Alex Pandian say he will be born again to kill him.
When Alex Pandian dies so does his wife after she gave birth. At that time The first child Arun is born than the second child John is born. Meanwhile thengai srinivasan's wife gives birth but the child dies. This is the third time which has happened to her. So the sister of Alex Pandian gives the child Arun to Thengai Srinivasan because she can not afford to look after two children.
Arun on his 25th birthday says he the reincarnation of Alex Pandian. Which shocks everyone. Meanwhile when he goes to a house because smitha called him. Then he fights a person and kills him. Arun goes to jail. Later he comes to court and see who killed him and tries to kill him but goes back to jail. The he comes back to tell the truth when Alex Pandian comes and says he is not dead and that he was in Sri Lanka. But really he is Aruns brother John but John does not know that. He is working with the person who killed his father.
Then Arun says he lied that he was an incarnation because he wanted to know who the enemies are because they will want to kill him. So he can get them back.
Later in the story John finds who ALex Pandian is and who Arun is and goes to save his brother. Then they fight but the bad person stabs John but johns kills the man and put him in the sea like what he did to his father and he also dies. The Arun and Radika get together and then the film ends.
