The film began with the abandonment of a baby girl in a baby hatch and that baby was brought up in a government orphanage. Now, Raani is a gifted woman and she is the proud of the orphanage. She then goes to a renowned college. There, Raani meets the village boy Pitchai and she changes him into a perfect city dweller, they slowly become best friends. After the studies, Pitchai and Raani fall in love with each other. Raani becomes a Sub-inspector of police while Pitchai becomes a district collector. Soon, they have to face the smuggler Rajarathnam and his son Murali. What transpires later forms the crux of the story..