Maga is a hitman for politician Muthuraj who is a taxi driver. His life revolves around wife Viji and his 5-year-old son. He is an expert in sketching plan to finish off Muthuraj's enemies. While Maga is fiercely loyal to Muthuraj, he isn't and is just using him to get his dirty works done.
On parallel track we are introduced to Muni who is an educated organic farmer in Erode who believes in Swamy Vivekanda’s principles and prefers to be a bachelor in life. He is a good samaritan who teaches underprivileged students and leads a very disciplined life. However, when a journalist student Deepa who hails from an upper caste, moves around with him, her casteist stepdad starts giving him trouble. How the lives of the twin brothers — Maga and Muni cross each others path forms the crux of the story.