Set in Aiyanaar Patti, a village in a rural area around Theni, where caste segregation is still practiced as the result of the controversial Criminal Tribes Act imposed by the British colonists. This ends up with impoverished communities being stereotyped as generational criminals. Among these is a young man called Padaiveeran, raised by his doting maternal uncle after his parents’ death. He is often arrested for petty crimes, until one day he comes to realise a way to clear his community of the caste stereotyping. He decides he must become a police officer.

Guruji (Gurmeet Ram Rahim Singh) is a spiritual leader who has a huge follower base. He has accepted the challenge of eradicating social evils including drugs and gender-related issues that have been prevailing in the society. Those with vested interests and apathetic towards the welfare of the society are now disturbed as there’s someone who has taken control of the situation. They conspire to kill him.

Durairaj (Sarath Kumar) is a lorry driver who is tough as a nail. He had a bitter childhood, has no relatives or friends, and his only solace is Jayaram (Jayaram), his cleaner who is just the opposite of him. Jayaram is a happy-go-lucky guy who dotes on his wife Mallika (Meena), mother (Vadivukkarasi), and daughter, and dreams of making enough money to build a small house for his family. Durai and Jayaram share a special bond, as they understand each other well.

On his way to see his family, Jayaram dies in an accident, and Durai goes to his village with the body. There he finds that Jayaram’s family needs his help, and out of sympathy, he decides to settle there and build a small house according to his friend’s last wish. There he comes across a local landlord Vijayan (Vijayan), who cheats the illiterate villagers by giving them loans and later taking over their property. Then there is a tea shop owner Vasantha (Ramya Krishnan), on whom the entire men folk lust. But she is hardworking, and at the same time foul-mouthed and a terror. Vasantha’s brother, who is in love with Vijayan’s daughter, starts the fight between the Vijayan and Durai. Durai works hard to make a house for Mallika, and when the villagers suspect his good intentions, he proves to them that he has a sisterly affection towards her, as he has a soft corner for Vasantha. As the fight goes on for Durai and Vijayan, Vijayan destroys the house that Durai built for his friends. Of this anger, he tries to get revenge. How Durai wins over the villagers and fights against injustice against Vijayan and his son forms the rest of the story.

Thiru, a local gangster, falls in love with Charu, an NGO worker, and decides to marry her. He changes his profession and starts a new life, but the police arrest him for his earlier crimes.

Rudhran is a happy IT man living with his family until the moment his life is turned upside down. He comes upon a major criminal network including a businessman, Rudhran embarks on a mission to expose him the criminal network.

Eeswaran tells the story of Periyasamy whose simple and joyous life turns into a nightmare with internal familial disputes.

Agni Dev IPS (Bobby Simha), a devoted cop is after a powerful politician after gathering ample pieces of evidence against the latter for murdering a journalist.

Caught in the crossfires of civil war, CIA operatives must send a former U.S. diplomat to negotiate for the life of a friend he left behind.

Vasudevan aka Vasu (Vishal) is a Coimbatore-based moneylender and also the heir to the Kovai Group, a cloth manufacturing conglomerate, until he was disowned by his mother and matriarch of his joint family Rajalakshmi (Raadhika) due to some misunderstanding. He meets a rich girl Divya (Shruthi Haasan) at a mall, who soon falls in love with him for his good nature. One day, Vasu saves the Additional Superintendent of Police for Coimbatore District Sivakkozhundhu (Sathyaraj) and his wife (Aishwarya) from a group of thugs who work for Anna Thandavam (Mukesh Tiwari), a Pollachi-based businessman and contract killer who kills anyone to acquire their land and money. As Sivakkozhundhu was transferred to Coimbatore district to capture Anna Thandavam, the latter had planned to kill him. Anna Thandavam also plans to illegally grab land sold to a village temple by Vasu’s late father. These two incidents cause enmity between Vasu and Anna Thandavam.

Ajith is Red (it stands for Revolution, Education, Development), an orphan who has since grown up to be the local don in Madurai. Naturally he possesses a heart of gold and when not bashing up bad guys, he spends his time forcing schools to accept students without donations and taking care of orphans. Cheeni (Salim Ghouse) is his biggest enemy. Red falls for Gayatri (Priya Gill), the daughter of his friend and confidante Narayanan (Manivannan) and helps her without her knowledge. She too likes him but wants him to give up his life of violence. Meanwhile, a reporter (Rajesh) for Ananda Vikatan begins to serialise Red’s story under the name Aadi and it becomes quite the rage among readers

A widower and his daughter-in-law have an affair while his son is away for a few days.

When a young boy Saravanan is killed by rowdy — and aspiring politician — Dhanasekaran (Sayaji Shinde), his distraught mother (Vinaya Prasad) is ready to kill herself. She is stopped by Mani Shankar (Vijayakumar), who promises her that her son will be reincarnated and meet her 30 years hence. The only condition is that the mother must remain inside Vaitheeswaran temple, praying to be reunited with her son. 30 years later, her wait catches the attention of the public, who are curious to see if Saravanan shows up. Dr. Bala (Sarathkumar), who has no belief in reincarnation, wishes to treat her while Dhanasekharan, who is now a politician and eyeing the CM seat, knows that Saravanan’s arrival could derail his plans. Armed with a computer-generated photo of how Saravanan would look like now, Dhanasekharan and Bala go looking for him, when Bala realises that he is indeed the reincarnation of Saravanan. What happens next forms the climax of the story.