As the events escalate, Karthi and Priya begin to suspect that Arjun might be a psychopath, and Shruti might be in danger. They decide to investigate further, but their snooping only leads to more questions and eerie encounters.

The House Next Door Tamil Movie: A Psychological Thriller

The movie ends with a thrilling showdown between Karthi, Priya, and Shruti. The truth about Shruti's past and her connection to Arjun are revealed, leaving the audience on the edge of their seats.

One night, Karthi and Priya witness a disturbing scene: Arjun is seen abducting a woman, and Shruti seems to be trapped in their house. The couple immediately contacts the police, but when they arrive, there's no evidence of the abduction.

However, as the story unfolds, Karthi and Priya begin to suspect that Shruti might be hiding something. They discover that Shruti has been manipulating Arjun's treatment, and her true intentions are sinister.