The film revolves around the lives of two young individuals, Vetri (Vijay) and Aadhiti (Trisha), who fall in love on a train journey. As their relationship blossoms, they are forced to confront their past and the circumstances that had brought them together. The movie beautifully weaves together themes of love, loss, and redemption, as Vetri and Aadhiti navigate their complex emotions and relationships.