Selvarasu (Sarath Kumar) is the head of his family, and his two brothers Thangarasu (Murali) and Chinnarasu (Manoj Bharathiraja) are ready to give up their lives for him. The three brothers think the world of their sister Rasamani (Kaveri). A rich man (Pyramid Natarajan) from the neighboring village feels insulted when Thangarasu mishandles his son, and to take revenge, he makes Rasamani his daughter-in-law. Starting with taking away all the brothers’ wealth, he insults them at every opportunity while ill-treating Rasamani. At last in the climax, Rasamani’s husband and father-in-law reform and accept her and her brothers.