Vishwanath is a multi-millionaire industrialist, living with his only son, Vijay. After Vijay completed his education in the United States, Vishwanath forces him to get married but Vijay refuses to, saying that he still wants to be single. Disappointed, Vishwanath (who is suffering from diabetes) tries to convince his son with sweets; it makes Vijay immediately agrees to his demand. Megha, a hardworking girl struggling to support her family, is Vishwanath's personal assistant in his office. Vishwanath asks Megha to quit her job and marry his son, but she refuses when she hears Vijay wants the marriage to be on a contract basis for a year and, if he does not fall in love with his wife in that duration, the marriage will be annulled and Megha will get money as a return. However, Megha's family is in dire financial straits and, so, she has to reconsider this offer. Vijay and Megha are married. After the marriage, they become friendly with each other and Megha goes out of her way to look after Vijay after he is in a car accident. At the end of the year, however, Vijay decides to annul the marriage, as had been agreed upon, and he regards her as a friend. Megha leaves Vijay and returns home. After the separation, Vijay seems to be enjoying himself; but slowly and eventually, he starts to feel regret after he found the facts that she gets social sanctions for the contract. In order to support herself, Megha starts a job in a new company; to her surprise, when the company's managing director arrives, he turns out to be Vijay. He later confesses to her that he is a changed person and wants her back. But, even after repeated persuasion, she disagrees because her faith in him has been shattered. Vijay continues to pursue her. Later, Megha finds out that she is pregnant with Vijay's child. Near the completion of her pregnancy, she along with her family then hold a ceremony for the well-being of her to-be-born child. In the ceremony, which Vishwanath and Vijay attends, Megha reveals that the latter to be her husband and tells all the guests about the marriage-contract. An argument follows; Vijay and his father walk out, followed by all the gues