The film opens with an illegal cockfighting competition held in a small village in central Kerala. Suddenly police enter and arrest Shivan and Vasu for holding money betting. But on way, they are saved by village youths under Chellan, a local goon, who is also a close buddy of Shivan. Both Chellan and Shivan share a strong friendship and are more like brothers. Shivan is in love with Chellan's younger sister Gauri and Chellan and his mom have given the green signal to it. Chandri, the sister of Shivan, is his everything and his whole happiness revolves around her. Bhadran, the younger brother of Chellan is too aggressive like him and picks fights for every silly reason. Its usually Shivan, who sorts out the fights that he picks every day. Things are going very smoothly until one day Chandri becomes pregnant. Chandri, in order to pacify Shivan reveals him that it is Chellan who is responsible for this, whereas it was Thampi, her neighbor, who was actually responsible. Shivan, in a sudden rage, kills Chellan and surrenders at the police station. Bhadran turns violent by this incident and vows to take revenge.
This incident changes the atmosphere in the village and Bhadran is now blind with hatred towards Shivan and his family. Shivan is sentenced to life imprisonment. Thampi then comes out and marries Chandri. Bhadran one night kills him and kidnaps Chandri and sells her along with the son to Pappachan, a pimp, who also runs a brothel. Shocked of his brutal way of revenge, Bhadran's mother curses him and dies. Though shocked over her reaction, Bhadran is not ready to give up his revenge.
Years have passed by. Shivan is released after seven years of sentence and reaches back to the village. He is a completely transformed man and is now in deep repentance for killing Chellan, who was more like an elder brother. He pleads Bhadran to reveal where Chandri is now, but Bhadran is not ready for that as he still holds a grudge against Shivan. One night, Bhadran is assaulted by his enemies Vasu and Kochappi, but is saved by Shivan. Bhadran however is still resentful towards Shivan.Gauri angrily confronts Bhadran that if Shivan wasn't there for him, he would've died. One night, Vasu and Kochappi start tormenting Gauri. Shivan sees this and beats up the two wicked men in a fight. Bhadran realizes that Gauri is right and he informs her that he is going to bring Chandri back home. Bhadran reaches the brothel and asks Pappachan to hand her over, Pappachan doesn't obey. Bhadran picks a fight with Pappachan and his goons. Shivan, who was following Bhadran reaches there and he joins him in facing the goons. In the end of the fight, Bhadran is killed by Pappachan. Shivan beats Pappachan and is about to kill him, but stops on request of Gauri. Bhadran makes his last breath lying in the lap of Shivan.