To earn some quick money through betting, Ravi, a jobless youngster, crosses path with Bittu, a criminal, by foiling his bank heist. Since then, Ravi has to use his wits to escape the wrath of Bittu.

A 14-year-old forlorn Kalyani delivers a boy in seclusion, fearing societal backlash and incapacity. She abandons him, heavy-hearted, placing him inside a moving goods train, which a slum dweller finds. The slum procures him as their common child, naming him Surya and they collectively raise him honest. He grows up, intolerant of injustice especially to the poor, though he wonders why his biological mother had impetuously abandoned him. A yellow shawl was the only identity he had of his mother, which she had placed him in when casting him away.
Devaraj, a powerful don who is kind yet feared by most in the society, also fights injustice, but by violent means. Ramana, an auxiliary of Devaraj’s, whose abusive demeanour led Surya to attack him, succumbs to his death. Surya gets apprehended for this. An exasperated Devaraj soon perceives Ramana’s felony, realises Surya’s cause was genuine and bails him out. Thus, Surya and Devaraj get to understand each other as both share similar social ideologies despite getting off on the wrong foot. Devaraj declares Surya his “Thalapathi”, a best friend.

Azhagiri (Narain) and his sister Shanmughapriya (Meena) are siblings who live only for each other. Azhagiri is a student, and his sister is a lecturer. Saissa (N. Santhanam) and the crew form his sidekicks, and Valayapatti (M. S. Bhaskar) is their professor who invariable falls quarry to Saissa’s unwitting jokes and intentional pranks. Azhagiri goes to Thambikkotai on an NSS field trip. There he falls in love with Kanaga (Poonam Bajwa), who is the daughter of Amirthalingam (Rajendran), a rich don of the village. Amirthalingam tries to kill government officers who want to repair a damaged bridge that connects the village with the outside world. The village has a connection to Azhagiri, Shanmughapriya, and their dead father Shanmugam (Prabhu).

Sakthi is a petty thief in a Chennai slum, who learns the Adimurai, the ancient and oldest form of martial arts. Meanwhile, an evil man and his son challenge Sakthi for a kickboxing tournament and Sakthi agrees to participate in it.

A man’s life turns upside down when he witnesses the murder of his loved ones and a few ghosts trouble him.

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.

A contract killer escapes after murdering a politician and must help the cops find a murderer after a slain officer’s memories are transferred to his brain.

The film has a deceptively casual beginning: a middle-class family consisting of parents (Kuyili and Ponvannan), a daughter and twin sons—Shiva (Jiiva), who works in a fish-market and Ashok Kumar (Jiiva, again), who is a lawyer. Shiva is a typical hero who attacks baddies with his bare fists; a rugged man who’ll brook no injustice. Devout Ashok’s goodness is a facade that hides his evil womanizing nature. Both have romantic interests; Shweta (Divya Spandana) is Shiva’s long-time sweetheart. Ashok’s life is one long, lustful journey as he charms every woman he meets into his bed. This is where the tale picks up. Shiva can do nothing right as far as his parents are concerned; they trust the Ashok and always misunderstand Shiva’s righteous anger and his every attempt to show up his Machiavellian twin fails. Ashok, on the other hand, is pally with the local goons and uses his brains to assist them in their nefarious activities. Matters come to a head when Ashok lures a girl called Gayatri (Honey Rose) with false pretences, ends up in having sex with her and eventually causing her to suicide when he learns that she becomes pregnant. Shiva lodges a complaint on Ashok but this fails as he couldn’t prove that whether it was him or Ashok who did the crime due to their faces. Shiva comes to know that a security man who saw Ashok pushing Gayatri from the roof. He tells the security man to meet him in the evening. But he is killed by Ashok as the security man saw him in the evening and thought him as Shiva. Shiva comes to know this thus begins a cat-and-mouse game between the siblings. This causes anger to the younger one and he tries to kill his elder brother. He employs a gang to kill his elder brother. Eventually the elder brother knows this plot and confronts him. During the fight the younger brother get killed by his own man. The elder brother walks with his father who for the first time accepts him.

Three smart orphan boys who wanted to become rich got trapped and chased by powerful matured smart politician.

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.

Saravanan (Vishal) is a person in Ooty who runs a business of gathering people for politicians and events. One day he meets Maya (Hansika) and falls for her. However, Rajasekhar (Santhanam) also falls in love with her. Saravanan convinces Rajasekhar to not fall for Maya by talking about the expenses high class people require. Rajasekhar is a police inspector. Due to several mishaps caused, he is fired and stars working as a hotel doorman. He is shocked to find Saravanan and Maya going out together. He asks Saravanan how he made Maya fall in love with him. As Saravanan finishes his story it is revealed that it was Saravanan who indirectly caused those mishaps to Rajasekhar.

Siddharth Abimanyu, an influential scientist, is involved in various illegal medical practices. Mithran, an efficient IPS officer, decides to expose him.