The film opens with Sameer, a charming real estate agent burdened by heavy debts, stumbling upon a derelict, sprawling mansion on the outskirts of the city known locally as "Bhooth Bangla." Driven by desperation and the promise of a massive commission, Sameer decides to illegally showcase the supposedly haunted property to wealthy clients looking for secluded getaway spots.His first targets are Priya, a seductive and adventurous art collector, and her wealthy,
older husband, Vikram, whose marriage is hanging by a thread. Sameer hopes that pitching the gothic, atmospheric estate to them will result in a quick sale and a hefty payout. However, upon entering the mansion, the heavy iron gates mysteriously lock behind them, cutting off all outside communication and trapping the trio inside as a severe thunderstorm breaks overhead.As night falls, the atmosphere shifts dramatically. Strange noises echo through the decaying corridors, and flickering candlelight casts long, eerie shadows. To pass the time and ease the mounting tension, Priya suggests they play a game of truth and dare, which quickly escalates into deeply sensual encounters fueled by the isolated, hypnotic environment. Sameer finds himself irresistibly drawn to Priya, while Vikram, seemingly indifferent, watches with a strange, knowing smirk that unnerves them both.Complications arise when the mansion begins to manifest their deepest, most repressed desires and fears. Priya experiences vivid, erotic hallucinations, leading to passionate trysts with Sameer in hidden rooms draped in velvet and dust. Meanwhile, Vikram's motivations are revealed: he is not merely a neglected husband, but a cunning occultist who orchestrated the entire trip. He purchased the estate to awaken a dormant, hedonistic spirit that requires physical ecstasy to complete an ancient ritual of eternal youth and boundless wealth.The climax reaches a fever pitch as the supernatural forces take complete control of the mansion. Sameer realizes he is merely a pawn in Vikram’s sinister game, used to generate the intense passion needed to feed the entity. When Sameer attempts to flee with Priya, they find the exit doors replaced by solid stone walls. Caught between supernatural terror and overwhelming sensory temptation, Priya embraces the dark
transformation, willingly participating in the final ritual.By dawn, the storm clears, and the mansion returns to its quiet, dilapidated state. Vikram emerges from the front gates alone, looking remarkably younger and visibly rejuvenated. Inside the silent halls, Sameer and Priya are nowhere to be found, having seemingly vanished into the very fabric of the haunted estate, forever bound to its walls in eternal, shadowy ecstasy.