Kaun?

On a gloomy evening, a young woman played by Urmila Matondkar is home alone. She is watching the news when she hears about a serial killer on the loose in the city. Suddenly, the doorbell rings.
The woman hesitates to answer the door but the stranger played by Manoj Bajpayee persists. He claims to be a business partner of the homeowner and has come to collect some important documents. The woman is reluctant to let him in but she eventually agrees after he convinces her that he is not the serial killer.
Once inside, the stranger begins to act strangely. He tells the woman that he has seen a man in the house and he insists on talking to him. The woman becomes increasingly scared and she tries to escape but the stranger stops her.
Just when the woman thinks all is lost, another man played by Sushant Singh arrives at the house. He claims to be a police officer and he has come to investigate the serial killer. The woman is relieved, but she is still suspicious of the stranger.
The woman is caught in the middle, and she is unsure who to trust. She suspects that one of the men is the serial killer but she doesn't know which one.The tension builds to a climax as the woman tries to figure out who she can trust and how to escape. The ending of the film is a twist that will leave viewers guessing until the very last moment.