Every evening at 5:00 PM, Kabir sits at his favorite spot in the quiet library. Everything changes the day he finds a mysterious pink letter hidden inside a book, signed only with the initial "S". Day after day, a new handwritten letter appears, filled with deep emotions and unspoken love. Captivated by her gentle words, Kabir begins a desperate search to uncover the identity of his secret writer. But as the truth slowly unveils, he discovers a heartbreaking reality that will change his life forever.