Muthu (Vijayakanth) lives in a village with his sister Maragatham (Uma). Muthu is very fond of his sister and ready to do anything for her. Pavazham (Soundarya) is an orphan who lives in the same village. Muthu and Pavazham have a liking towards each other. Periya Minor is the local baddie who tries to molest Pavazham when she is alone. However, Muthu comes for rescue and takes Pavazham along with him to his house.

Maragatham is married to Sundaram. Sundaram's sister Gowri's wedding is also arranged. But on the day of Gowri's wedding, her fiancé passes away which makes the villagers believe that Gowri is unlucky. Sundaram's family members want Muthu to marry Gowri, but Muthu refuses as he is in love with Pavazham. Angered by this, Sundaram's family members kick out Maragatham from their house as a means of revenge. Maragatham comes back to Muthu's house.

Muthu tries hard to get Gowri's wedding fixed again, but in vain. He meets Akash with a wedding proposal, but is turned down by his parents. Meanwhile, Maragatham is conceived. Sundaram understands Muthu's situation and visits Maragatham frequently without informing his family members. Finally, Sundaram finds a bride groom for Gowri and their wedding is arranged. Sundaram also brings Maragatham to his house and the families are united.

One day, Akash and his family members are about to meet with an accident, however Muthu spots them and saves them. Akash's family members understand the good nature of Muthu despite them humiliating him when he came with a marriage proposal with Gowri. On the day of Gowri's marriage, it is revealed that the groom is a cheat and is set by Ponnambalam with plans of trapping Muthu. Ponnambalam wants Muthu to give him Pavazham, so that Gowri's wedding will go as planned. Else, he threatens that the wedding will be cancelled which might hurt Gowri again.

Muthu fights Ponnambalam and decides to sacrifice his love. Muthu agrees to marry Gowri as he does not want Gowri to be disappointed again by cancelling her wedding. However, Akash's family members, now agree to get Akash married to Gowri. Akash and Gowri are married. Finally, Muthu and Pavazham are also married.