The film starts with Krishnadas (Ratheesh) becoming chief minister of Kerala. After college graduation Krishnadas starts working for an Underworld Don Vincent Gomas (Mohanlal). He helped Krishnadas to reach heights and also makes steps to enter politics. With his help Krishnadas made a good political career. But after becoming a promising member in kerala politics he cheats Vincent Gomas to gain a high position among people as well as the party.
Thus he became chief minister by creating a deathwell enemy Vincent Gomas. Now Vincent comes to play to give a payback and he very well gives this by cheating an advocate played by Ambika (Nancy) who carries the case of his file which if submitted to court may lead to imprisonment for several years. He soon became known about Nancy that she was an orphan and has got a child (Rajumon) and went through a divorce. This incident makes her situation further critical by losing her job. And soon he becomes sympathetic to Nancy and helps her in an extreme unconditional time. Thus they become friends and Vincent proposes to Nancy, but she rejects him with giving no reason. But as Krishnadas plays new dirty games around Vincent Gomas with his political power, Vincent goes losing all his wealth. And finally he plans to kill Krishnadas who cheated him to death. But he escapes miraculously from the traps of Kumar (Suresh Gopi) who is a trusted gangster of Vincent Gomas. Kumar and another mate gets killed during the attack against the Krishnadas. The losing of his trusted friends makes him extremely violent and vengeful. At that very moment he takes his gun and drives towards the Parliament where Krishnadas works as a minister. He fires his AK-47 towards the police force around the place and killing them along with the minister's party members. He runs toward Krishnadas with the gun, while all of a sudden, Nancy appears in front of Krishnadas to tell to Vincent Gomas that he is the father of her child which she kept secret from others. Nancy begs Vincent Gomas for Krishnadas' life.
At the same time cops reach the plot and shoots Vincent Gomas several times. He ends up dying in the hands of Nancy. The Film ends as Nancy stares at the picture of Vincent Gomas on his housewall.