About the movie
A senior police officer, Ranganathan, has a spoilt son, Raghuraman. Ranganathan's wife (Raghu's mother) Kamakshi is a kind-hearted lady. Raghu falls in love with Seetha, is the daughter of a poor teacher, Ramanna. Ranganathan's family and Ramanna's family are related to each other. When Seetha born, both parents agreed that she should be married to Raghu and exchanged the Nichaya Thamboolam. However, due to their status, the families had been estranged from each other. Raghu marries Seetha and begets a child. But Raghu suspects Seetha's fidelity and walks out. To complicate matters further, Raghu is charged with the murder of his friend Pattusamy. Seetha takes the blame on herself in order to save Raghu. After more twists and turns it is revealed that Pattusamy is alive. The families come together and all live happily.