The story unfolds introducing a sweet introvert Arunabh (Parambrata Chatterjee) as he meets his type of girl Piyali (Ritabhari Chakraborty) in an arranged marriage kind of setup. With few interesting turn of events, Arunabh meets Rukhsana (Anushka Sharma) chained in an abandoned house. Yes, she’s supernatural, but is she evil? Prosit (director) maintains this mystery till the end. Enters the devilish twist, Professor Khasim Ali (Rajat Kapoor) playing one the most complicated & intriguing characters written for him.
With the entrance of Rukhsana in Arunabh’s life, things start to get complicated between him and Piyali. Rukhsana comes with a dark backstory which Roy decides to unfold bit by bit till the end. Who is a professor, why he is in the search of Rukhsana and many such questions remain unanswered till the crux of the movie arrives?