The film revolves around the family of Jaikodi Thevar, who has two wives. Jaikodi is a respected landowner whose family has helped develop the village for generations. However, his first wife Sevanamma (Viji Chandrasekhar), and her elder brother Veera (Vela Ramamoorthy) control the local gangs and are feared by the villagers. As a result, Jaikodi prefers to live with his second wife and her children (Parthiban (Kathir) and Prema. Because of her husband's preference of his second wife, Sevanamma dislikes her and her children. Veera blames his brother-in-law's second wife and her children of destroying his sister's life and hates them too. The only member of the first wife's family that accepts the second wife's family is Jaikodi's drunkard eldest son, Boologarasa (Kalaiyarasan). However, he is often powerless against his mother and maternal uncle.