When 18-year-old psychology student Trishna Dash arrives at a mysterious mansion, she discovers one terrifying rule: never open your door after midnight. Then she meets Aditya Singhania, a 25-year-old architect hiding secrets of his own. As strange events, forbidden rooms, and a mysterious death unravel the house's dark past, Trishna and Aditya are drawn dangerously close. But in a house built on lies, falling in love might be the most dangerous secret of all.