The story revolves around Arjun (Nivin Pauly), a man who receives mysterious letters addressed to him, but written in reverse chronological order. As he deciphers the letters, his life begins to change, leading him to meet Nila (Shruti Haasan), a character whose life is inexplicably intertwined with his. The film explores themes of fate, communication, and the challenges of human relationships, with a unique twist of predestined encounters.