The story revolves around a paying guest home run by Chinthamani Ammal who is a determined misandrist due to a failed love affair. Only misandrists are allowed as paying guests.
Ponnamma, one of the paying guests, hates men because of her parents being partial to her twin brother Ponnappan. Another guest, Nancy, is a lawyer and is engaged on a post divorce custody battle for the child with her ex-husband Tony Varghese. Vasundhara and Bhagyarekha, the other two guests, pretend to be misandrists to please Chinthamani Ammal.
One day a man enters their house resulting in him being assaulted by Chintamani Ammal. A while later, when he wakes up, to everybody’s horror, they find out that the man became mentally retarded. The other lodgers blame Chinthamani Ammal as she was the assaulter. The lodgers as well as Chintamani Ammal try to bring back his memory but in vain.
At last they decide to bring back Chinthamani Ammal’s long lost lover to cure him, who called himself as Ikru and behaves in a childish manner. Finally Ikru, whose real name is Sathyaseelan, is cured and Chinthamani and her lover reunite.
It is revealed that Sathyaseelan was actually a drama artist hired by Sachidanandan to help Potti reunite with Chinthamani.
In between Bhagyarekha falls in love with Sachidanandan, a local man after Sachi fights goons who try to attack her, Sachi comes there and saves her ending up in police station but is freed in the end. Meanwhile, Vasundhara falls in love with Binoy, who proposes to her. On seeing Binoy, Bhagyarekha’s flashback is revealed. She used to work in a hotel. Binoy and Douglas work for a company who pimp women in the pretense of job interview. When Bhagyarekha's sister was about to be assaulted she tried to fight back resulting in a goon’s assistance’s death. From then on she was hiding from the goons. Many other sequences occur which shows how Sachi and Bhagya try to escape from the goons which forms the rest of the movie.
Binoy tells Vasundhara and the other inmates that Bhagyam is a murderer. Fake police, who are actually Binoy's allies, come to arrest her. But is prevented by the timely action of Sachi and friends and the others members of the locality join them.
Chindamani Ammal ends up with V N Potti, Bhagyam ends up with Sachi, Nancy patches up with her husband and Satyaseelan proposes to Ponnamma which she accepts. In the end everybody finds their own love and happiness.
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