The protagonist and his 3 friends are a gang of notorious robbers who make merry in Madurai. Their way of life earns them a handful of formidable rivals. An intense depiction of friendship and love marred by rivalry and vengeance ensues.

Mark is adopted and raised by a gangster and turns up to be next in line to succeed him. A rivalry ensues between him and the gangster’s son.

Sundar plays the character of ‘Gate Selvam’, a man who decides to quit the mafia and lead a peaceful life. The story is all about the circumstances that arise because of this decision.

Thulasi (Thananya) comes to Muttam village along with her grandmother (Nagamma) after her parent’s desert her. She joins a government school in the village to pursue her studies. Enters Koochan (Ramakrishnan) who falls for her instantly. Koochan’s mother Chandra (Agavamma) helps the poor Thulasi to pursue her studies. However coming to know about their romance, Agavamma insults Thulasi and her grandmother and drives them out of the village when Koochan is out on a school tour. A shocked Koochan returns only to meet with a road mishap. Meanwhile, Thulasi, who seeks refuge in a family at Tuticorin is forced to marry a rowdy Drama (Sulile Kumar). On the day of their marriage, he gets arrested by police. His wayward lifestyle invites trouble and he eventually gets arrested for murdering a youth.

Young Jeeva (Silambarasan) is the grandson of Seema of Theni. When she was five years old, she kills five persons and goes to jail. She comes out of prison turning nastier than before. She is now a hard-core ‘dada’ and she is feared as well as revered by people in her place, Theni, where she is engaged in all activities which the law forbids. The local police throw up their hands. A police officer, also named Jeeva (Lal), comes down heavily on Seema with all his might and cunningness and finally burns her alive. Meanwhile, a rowdy, also named Jeeva, becomes a thorn in the flesh of police officer Jeeva and he is after his daughter Vedika, who loves Seema’s grandson, a tough guy in the college. While Vedika wants to keep the rowdy off her with the help of Seema’s grandson, he wants to take revenge on her father for killing his grandmother. How he fulfils his task is the crux of the movie.

In a village called Kalathur Gramam, located in the small town of Pattukkottai, which in turn is located in the Thanjavur district of Tamil Nadu, lives a pair of father and son. They have been in a dispute with each other, however, for three long decades, starting from the 1970s until the 1990s.