The movie begins in Kumbakonam where a crooked advocate Sattanathan Pillai (D. Balasubramaniam) is keen on getting Vadivambal (M. S. Draupadi), married to his useless brother Masilamani (T. K. Ramachandran). Sattanathan Pillai pretends to help the innocent Sundaram Pillai from Sundaram Pillai's crooked sister Alangaram. Sundaram Pillai is a good man who helped his sister. However his sister Alangaram plans to grab his brother's wealth. The crooked Sattanathan Pillai together with the judge plays a double game against Sundaram Pillai (which Sundram Pillai do not know at that time). Vadivambal's mother Anjalai and Anjalai's husband Namachivaayam Pillai force Vadivambal to marry Masilamani. One day Vadivambal was visited by her maternal grandmother, she came to know from her grandfather that he is staying in Mannnargudi Velayudham Pillai's house and Vadivambal's mother is not married. She decides to leave their house to Mannargudi to meet her maternal grandfather. Meanwhile, Digambara Sam