Set against the vibrant backdrop of a traditional Bengali wedding in Cooch Behar, Biye Fiye Niye is a witty and contemporary exploration of love, friendship, and the evolving institution of marriage. As Sromona prepares to marry Rohan, guests from both families arrive in festive celebration—yet beneath the cheerful surface, a web of secrets and emotional fractures begins to surface. The rapidly deteriorating marriage of Sromona’s closest friend Aditi and her husband Ishan creates a stark contrast to the joyous wedding atmosphere, while Rohan’s sister Tisha’s probing questions expose hidden truths that threaten the illusion of perfection. Over the course of a single day, the film navigates the messy realities of modern relationships, challenging societal expectations and addressing taboo themes with sharp humor, raw emotion, and a fresh slice-of-life perspective.