Karunan is an arrogant fisherman back from jail after five years. Upon arriving at his coastal village, he finds much has changed. Chandran, his trusted lieutenant, who is more like a younger brother is now a worker at the nearby toddy shop. Chandran again joins him and helps Karunan in setting up his life. Karunan is shocked to see that Madhavi, whom he loved once, is now married to Kumaran, for whom he had to go to jail. Kumaran ditched Karunan and within a short time, he himself emerged as a rich man in the locality. Karunan decides to avenge Kumaran, but is attacked severely at night by his goons. He is saved by Gopi, a jobless young man, who accidentally witnesses the incident. Gopi becomes a good friend of Karunan and starts staying with him and Chandran. In the meantime, Devayani a young woman, also joins them due to unexpected situations. The unpleasant incidents in each of their lives and Karunan's fight against Kumaran form the rest of the story.
