The film follows the journey of Varun and Nithya through childhood, adolescence, and adulthood. Childhood:

The movie revolves around the lives of two young individuals, Neethane (played by Jai) and Ponvasantham (played by Nivin Pauly), who meet on a train journey. They strike up a conversation, and Neethane shares his story of unrequited love with Ponvasantham. Ponvasantham listens intently and offers words of encouragement.