The movie begins with Jeeva (Ajith Kumar), a driving instructor, leading a happy life with his mother (Sujatha). He also fell in love with Swapna (Pooja Umashankar) after several mishaps. Sujatha hides the Jeeva truth that his father (Nizhalgal Ravi), was murdered by a dada named Manthiram (Babu Antony). The mother, much against the boy’s wish, packs off Jeeva’s twin brother, Guru (also Ajith Kumar) with a family who offer to adopt him, who had been witness to the murderer from a close quarter, to a distant town. He escapes from the family and goes to Tuticorin and grows to become a gangster there.
When Jeeva visits Tuticorin, he comes across his elder brother, Guru a.k.a. Thala. Seizing the opportunity, the elder brother kidnaps the younger one and decides to go as the driving instructor to Chennai. Initially, he plans to take revenge on his mother for packing him off from their house at a very young age. He hurts her at every step and even plans to sell off all their property.

Chulbul Pandey encounters an enemy from his past, and his origin story as the fearless cop unfolds.

The movie starts projecting Prabhu (Prabhu Deva) as a Shop Keeper who sells toys to kids. He will be wearing a Mask which is similar to his face and he will be wearing that mask on the backside of his head so that he looks like a “Kilpauk Korangu” and does all possible Crazy actions in the world which really irritates everyone. He has all bad habits like Drinking and smoking . He gets married to Meena (Meena) who wants her husband to be like Sree Ram. Prabhu Deva Acts as if he is a nice guy and also gets caught few times when he tries to overact.

When giri marry’s her sister to a man in chennai and comes to visit the city his friend his brutally murdered by gangsters. He decides to murder the three gangsters ruling chennai to make the city a better place.

Kaththi Sandai is the story of a farmer who becomes a Robin Hood style thief for the welfare of his village. He steals from the people who deny his village of its basic needs and uses the money for its development.

Saga (Shanmugapandian) is a carefree village youth and being a humanitarian he saves Devayani, whose husband has gone missing in Malaysia. Saga leaves to Malaysia along with his close friend Jagan so that they could lead a luxurious life and also find the missing husband of Devayani. As soon as they reach Malaysia, both Jagan and Saga come to know that the job agent has cheated them but soon Saga explores a crime in the country and gets a job at one of the private detective agencies. In the prison, Saga meets Ranjith (Devayani’s husband) and learns that there is an underworld gang who are planning to export cheap and counterfeit medicines to India. Can Saga prevent Indian people from the powerful underworld gang?

Satya and Kiruba are friends. Satya is reckless and gets into drinking and violent fights whereas Kiruba studies hard to become a Sub-Inspector. Tables are turned when Satya becomes a Sub-Inspector.

A patriotic indian soldier fights against the torture of his enemy.

Officer Muthukumar fights against a dreaded don Gurumurthy, but soon he gets embroiled in a brawl with the corrupt system, following the death of Gurumurthy.

Two disparate men meeting by accident and the friendship they develop.

The lives of three different men named David are about to change forever.

Sridhar Vasudevan (R. Madhavan) is a middle-class family man employed in a bank. He is very idealistic, principled, and recognizes a deep sense of belonging with the society he is part of. He gets annoyed and flustered by illegal and semi-legal activities happening around him. His wife Vatsala (Sangeetha) persistently demands he should be more ‘flexible’ and make more money, but Sridhar does not accede. He endures the illegal and semi-legal activities around him because he anticipates a change in the mindsets of people. He feels that over time, they will become more honest, socially aware and willing to make small personal sacrifices for the greater good of all (like him).
Vatsala is a typical middle-class housewife and a caring mother of two children, Varsha and Varun. Societal imperfections and related problems matter very little to her. She is more concerned about her reactive husband, thinking about ways to save him from the effects of his angry outbursts and to steer him away from his impractical thoughts and deeds.