Masoom tells the story of Neelo (Sonia Hussyn), a lively and free-spirited young woman whose heart beats only for Dilshad (Imran Ashraf). Her playful affection soon turns into deep, all-consuming love. But fate disrupts her dreams, and in an unexpected twist, Neelo finds herself married to Wijdan (also played by Imran Ashraf), a stranger bound to her by circumstance.