Single and lusty Asha's (Rekha) affairs with three men (Randhir Kapoor, Rakesh Roshan, Jeetendra) lands her with a baby-girl, and she must relocate to distant Mauritius to start life anew. She makes up a story about her husband, Mr. Brittania, while admitting her daughter in school, heroically saving lives of numerous Indians and being unable to save himself. Now Asha has a grown up daughter, Jiya (Sanober Kabir). She finds out that Jiya wants to marry Mrs. Chaudhary's (Shashikala) grandson, Raj (Rahat Khan). Asha's three beaus also contact her one by one that they will be coming, with their respective wives and families to tow, to visit Mauritius. Asha's past is now coming back to haunt her, and Asha must use all her wits to see herself through this crisis.
Professor Kurian Fernandez escapes from jail with his cellmate Raghu. Inspectors, Unnikrishnan and K.Purushothaman Nair are sent to track him down. They follow Kurian Fernadez's daughter to track him.
Jayakrishnan falls in love with two girls, Radha (a villager) and Clara (a sex-worker), and fights his confusion about whom he should marry and spend his life with.
Manikkam loves Mythili, who only uses him to fulfil her self-interests. A writer, also named Mythili, learns of Manikkam's sacrifices and his devotion towards his lover, and falls in love with him.
The film had Kamal Haasan playing dual roles; An unemployed guy from a middle class society and a guy from a rich society returning from abroad after his father's death. In order to claim the property of the Kamal Haasan, Vinuchakravarthy with his mob guys assaults him and make him a drug addict by repeated injections of some harmful sedatives. Radha's father (Danaal Thangavelu) who is a family friend of the rich-one's father with Radha who is also a lover of the another Kamal comes as an excursion. Due to her curiousness she sees the rich-one and finds out that he is in a dangerous state of his health due to the drug addiction. With the help of the house's servant Radha replaces the other Kamal to this house and saves him and his properties from the hands of Vinuchakravarthy and Senthamarai.