Sethupathy (Prabhu) and his young brother Sevathayya (Murali) are fond of their only sister Maragadham (Navya Nair) living in Melur village.

Vairaghya Bhoopathy (Nassar) is the chief of the neighboring village Aalur and the two families are rival for generations. But Maragadham falls for Nallarasu (Vineeth), brother of Bhoopathy.

Then comes Alakalan (Kalabhavan Mani) a schemer who wants to marry Maragadham. Both the brothers humiliate him and send him back. He ends up marrying Bhoopathy's sister Angayarkanni (Roja) but manager to create an enmity between the two families.

Meanwhile, dancer (Malavika) falls in love with Sethupathy. Alakalan has an eye on her as well. A turn of events results in Bhoopathy's suicide.

Now, Nallarasu takes revenge on Sethupathy who was responsible for his brother's death. So he marries Maragadham only to torture her.

The rest of the film is all about how Sethupathy and Sevathayya reveals the true color of Alakalan and as predicted all comes to a happy ending.