The story of a mysterious housemaid accused and framed for the high-profile murder of the powerful MLA Dharmarajan, but strongly defended by three families for whom she works, in the border town of Dharmapuram.

Susi, who suffers from post traumatic event disorder, falls in love with Billu. After Susi undergoes the treatment for her cure, she is unable to recognize Billu..

Three college slackers fake a friend's kidnapping to help her escape her strict father. The plan works... until it meets a stranger-than-fiction reality.

After receiving severe punishment from his father, the eldest son of a family runs away. Several years later, he returns back home with a feeling of remorse.

The film revolves around the feud between the three brothers over property; two brothers, from their father's first wife on one side with their avarice for all the wealth with the righteous third, from his father's second marriage, trying to stop the family from breaking down. The feud that exists as an undercurrent in the presence of their father and turns ugly and personal after he passes away. It grows bigger with the two brothers joining in to elbow out the third but he graciously steps aside, only wanting to keep cordial relations. But, the two brothers are just not able to handle the huge wealth and the responsibility that it brings. Their wealth attracts trouble and it is up to the third to come back and save his brothers, against others who strive for the wealth while the crux of the plot revolves around if wealth does disintegrate the family.

Vasanthi (Bhavana) is the daughter of the big man (Lal), who does a lot of help for the refugees. Bhavana instantly falls for Jeevan (Jeeva), a Tamil refugee, staying in the camp in Rameswaram. Jeevan, nurturing a dream to go back to his home land, keeps on discouraging the girl, who is stubborn in her love. Jeevan’s heart, influenced by the pure love of the girl, starts melting slowly. Enters Bose Venkat, the cousin of Vasanthi with full of dreams to marry his childhood sweetheart. He joins as an Inspector in the local police station. The whole family is eagerly awaiting their marriage.

Deepika (Bhavana) is an arrogant rich girl. A medical college student, she dictates terms at the college. Sister of local don Kasi (Prakash Raj), she is feared by students, professors and even the Dean of the College. Enter Aarya (Madhavan), a final year student who comes to Chennai Medical College from Coimbatore. A soft-spoken Aarya runs into Deepika. They develop cold shoulders. In a fit of rage, she kidnaps Aarya's sister. But Aarya faces her challenges daringly. However, she soon falls in love with him. But he is not ready to marry the sister of a ruffian. The remaining story tells us how the brother and sister put pressure on Aarya to become a rowdy so that Aarya's status is equal enough as Kasi's status so that Aarya can marry Kasi's sister Deepika. Meanwhile, "Snake" Babu (Vadivelu) is elected the area councillor, and has a few encounters with Dr. Aarya, and one with Deepika. He is the main source of comic relief for the film.

Kadhiravan, a businessman, desires a wife who should respect his parents. After seeing Kayalvizhi on TV, he meets her on the pretext of being a home contractor and slowly makes his way into her heart.

Solomon, a timid villager, who lives a simple life, befriends a man who is completely opposite to him. He observes the latter's tough nature and soon his outlook towards life changes.

Arjun and Sivan have a liking for Parvathy, their classmate. A fight breaks out between them over the girl, and to avoid further complications, Arjun's father sends him to Kodaikanal.