Revathi (Menaka) comes to the city from a small town in search of a job and to have a good life and as it is with everyone her problem starts with finding a house. Shyam (Shankar) wants to become a singer. His parents are against his wish to become a singer. So he runs away from home and needs a shelter. Revathi accidentally meets Shyam, who too is in search of a house through the common milk-boy, Chikku (Baiju). Chikku offers them both a house to rent if they are ready to pose as husband and wife in front of the landlord.

Supran (Poojappura Ravi), a miserly moneylender who doesn't trust his much younger wife Kousalya (Thodupuzha Vasanthi) is their landlord. Revathi in search of a job, meets Ravunni Menon (Nedumudi Venu), a rich man who owns a bungalow in the heart of the city. Ravunni Menon stays with his wife whose name too is Revathi (Sukumari).

Gopalakrishnan (Mohanlal) needs some investment to come up in business and life. But to get started, he ends having to rob his stingy father (Sankaradi) of money that the latter had hidden away out of sight of tax authorities. He is in search of a rich woman he can marry. Accidentally Revathi meets Gopalakrishnan who has come to Ravunni Menon's house to repair the electronic equipment, which he had sold to him. Gopalakrishnan thinks that Revathi is Ravunni Menon's daughter and her beauty enchants him. Revathi comes to know that there is a job in Gopalakrishnan's showroom and manages to get a job with him by playing along with his mistaken belief that she is Ravunni Menon's daughter. She is aided in this subterfuge by the fact that she shares the same name as Ravunni Menon's wife and all of his business interests are named after 'Revathi'.

After office hours, Gopalakrishnan drops Revathi outside Ravunni Menon's house, thinking it to be her house. She always enters the bungalow through the front gate and skips out through the gate itself after hiding in the garden until Gopalakrishnan drives away. Ravunni Menon's wife, Revathi, sees her coming and going out of the bungalow and starts suspecting her husband of an affair. Gopalakrishnan frequently visits the bungalow to visit Revathi, who is never there, and Ravunni Menon thinks his wife is having an affair with Gopalakrishnan. Further her encounter with 'Thenga' Govindan Pillai (CI Paul) makes the older Revathi believe that her husband has sons and daughters out of wedlock and, thus, quite capable of another affair now.

Shyam in the meantime begins falling in love with Revathi and to make her jealous, he pretends that he is attracted to Kousalya, who in turn thinks this to be true and is ready to elope with him after robbing her miser husband.

Kuthiravattam Pappu plays the memorable role of a completely unrelated character who ends up playing a role of his own ("Cherian Nair") and providing some of the best comic relief of the film.

What ensues is a comedy-drama about the different roles that people play in life.

• Shankar as Shyam
• Mohanlal as Gopalakrishnan
• Menaka as Revathi
• Nedumudi Venu as Ravunni Menon
• Sukumari as Revathi
• Soman as Hari
• Jagathy Sreekumar as Chellappan
• Kuthiravattam Pappu as Kuttan
• Baiju as Chikku
• Soorya as Revathi's Friend
• Sankaradi as Adv. Sankaran Kutty
• Poojappura Ravi as Supran
• Mala Aravindan as 'Shakthi' Raghavan Pillai
• CI Paul as 'Thenga' Govinda Pillai
• Sreenivasan as Narayanan
• Santhakumari as Kalyani
• Thodupuzha Vasanthi as Kousalya
• VD Rajappan as Keshu Pillai
• Santhosh as Ravunni Menon's Son

The film was distributed by Dinny Films and was a blockbuster which ran for more than 100 days in the theatres.

The songs were composed by MG Radhakrishnan with lyrics by Chunakkara Ramankutty.