Ananth, a successful writer, unwillingly revisits his family home. Meanwhile, an estranged father dives into the past to learn about the journey of Venkatesan and his wife Maragatham in their home called 'Anantham.'
Ananth learns the story of a married couple who lived in the house in 1971—Sundar and his visually impaired wife, Seetha. He witnesses Seetha's plight during the days she spent within the walls of Anantham.
