Sharat Kumar wants to become a high ranking policeman and is also a hard working man who fights against bad people. But Sharat Kumar’s father doesn’t like Sharat fighting with people and always quarrels with him to not interfere in other people’s problems. Sharat, while travelling in a bus, saves Heera from bad people. Heera gets a file of Sharat in the bus and later goes to Sharat’s house to return the file. Heera finds out that she was the school time girlfriend of Sharat and knows Sharat’s father who used to give food to anybody who came to his house. Heera tries to learn cooking and help Sharat’s father, but spoils the whole kitchen. Sharat and Heera falls in love and marry. Meanwhile, Sharat gets appointed as a commissioner and tries to deal with a riot. During the riot, Sharat shoots at an innocent man who accidentally came in the front of the riot. The news comes in the newspapers. Sharat’s father, after reading the news, goes the area where the victim lived with his wife. Sharat’s father helps the victim’s wife Sharanya and her child. Sharat, now staying in another house, finds his father is missing from the house. Sharat encounters a new politician enemy who was behind the previous riot, which made Sharat kill the innocent man. Sharat’s father and Sharanya become witnesses for a policeman’s death due to rowdies of the politician. Sharat, investigating the policeman’s death, finds out evidence to the killing of an old man and Sharanya, but doesn’t know his father is the witness. Sharat enters Sharanya’s house and accidentally finds out his father is living with Sharanya and he while leaving the area, gets attacked by rowdies of the politician. Now Sharat’s father helps in hospital and takes care of Sharat. Later all of them stay in one place. Now at night, the politician and his rowdies try to kill Sharat’s family. During the attack, the house’s electricity goes off. Sharat also enters finally to the house and a fight in the darkness happens, with Sharat finally defeating the politician villain and his rowdies.

He makes several bids to obtain employment but all goes in vain due to his poor language skills and inadequate educational qualifications. All his friends settle in life, but he continues to struggle in finding employment. Vasu has two faithful friends in Cheenu (Karthik Kumar), and Ganesh (Karunaas). His father (Raghuvaran), who is a teacher, is always critical of him for being an irresponsible person. This just added to his list of woes. At this juncture, Vasu catches a glimpse of a woman named Keerthi (Nayanthara), and immediately falls in love with her. He learns that she works for a software solutions firm. Luckily for him, Vasu finally secures employment in the same firm. Keerthi eventually turns out to be a short-tempered young woman. On a business trip, Vasu accompanies her along with two other colleagues (Jeeva and Manobala), to Australia. Here he reveals his feelings of love to her. She immediately turns him down, saying that she comes from an orthodox family, and her marriage has already been arranged with her uncle’s son. A depressed Vasu returns to India thereafter. Unable to see his son in depression, his father decides to meet Keerti. She abuses him for recommending his son’s love, and accidentally slaps both Vasu and his father. Later that night, Vasu’s father dies of a heart attack. In order to help change Vasu’s mood, Cheenu manages to persuade him to come along to his family house in the country. Coincidentally, on the train journey, Keerthi is revealed to be the fiancee of Cheenu. However, their grandfather’s (K. Viswanath) thoughts of getting them married earlier are put aside because Cheenu and Keerthi leave the house to have their own identity. This causes heartburn to their grandfather. With the passing of a few days, the parents of Keerthi and Cheenu decide to get them married to appease their grandfather. After several turns of events, Keerthi realizes that she is in love with Vasu instead. When Vasu asks her to forget him, during a midnight meeting, because he believes that it would create problems in their happy family, Cheenu himself overhears their conversation. During the wedding, Cheenu tries to force Vasu and Keerthi to confess their relationship to everyone who is present. But when they hesitate to do so, Cheenu stops the marriage himself, by lying to his elders that he has a secret wife in Chennai. When Cheenu comes under fire from his relatives, Vasu tells them the truth, and is driven out of the house. He is joined only by the grandma of the house, who agrees to accompany him as she reminds Vasu of his late father. In time, the rest of Cheenu and Keerthi’s family comes to stay with Vasu for a few days. But Cheenu’s grandfather refuses to enter the house, telling Vasu he is still angry with him, and needs time to change himself somehow. The movie ends when Vasu and Keerthi became a happy couple and live together happily.

A male recollects the story of two impoverished brothers, Ramu and Deva. While Ramu studies in the Government College, he glues Bollywood movie posters as well as trims the grass with a manual lawnmower at the prestigious St. Joseph’s College, where Football Coach, Thomson, quits due to differences with the Principal. Ramu longs to play football, but must work to make at least Rs.100 daily to ensure their survival, while Deva attends a local school. Deva’s wish that they own a bicycle is fulfilled after Ramu finds an abandoned bike, and with the help of his garage-owner friend, Yadav, makes it roadworthy. While working in the garden of a wealthy family, he falls in love with the daughter, Shrishti, and on being discovered, gets fired, and the bike gets stolen. The brothers dramatically locate the bike with Ali Mirza, complain to his father, and take possession of the bike.

Four boys from various parts of Tamil Nadu come together while being involved in the making of a movie. The story is about how their lives are transformed when a girl gets involved.

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.

The movie starts in 1970s, where there is heavy drought in southern districts of Tamil Nadu. Ayyadurai (Sarath Kumar) and Maadasaamy (Napoleon) are close friends and landlords of different castes in Tenkasi town in Tirunelveli district, and they try hard to help people and save them from dying during the drought. Local MLA (OAK Sundar), also a relative of Madasami, smuggles rice given by the government and people protest, knowing about this. The MLA denies knowing anything about the sanctioned rice. That night, he starts to smuggle the rice, but the lorries are waylaid and ransacked by the people led by Madasamy. The MLA comes there and starts shooting towards people’s legs. Ayyadurai sees the MLA aiming for Madasamy’s head and pushes him. Then Ayyadurai beats the MLA using hilt of the gun, following which he dies. But the local people support Ayyadurai and save him from police and also urge him to contest in the assembly by-elections.

A youngster who experiences personal upheavals in his family and love life and how he deals with them and emerges successful.

Sundar Ramaswamy is a highly successful non-resident Indian businessman based in the United States of America, referred to as a “corporate monster” due to his ruthless business dealings. He arrives in Chennai to cast his vote in the Tamil Nadu Legislative Assembly election. However, he finds out that someone else had already voted in his name. Sundar approaches the Tamil Nadu State Election Commission and demands a stay on the election result for his constituency, an annulment of the fraud elector’s vote and the ability to legitimately cast his vote, to which they agree. Sundar raises awareness among the public regarding fraud voting and finds that many people too faced a similar problem to his when trying to vote.

The film revolves around a group of villagers from Maranur, India, and their clash with a neighbouring village leader as their community begins to prosper. Soon, money and greed threaten a will for peaceful coexistence between the two rivalling communities. The main theme involves the role of the caste system and how the younger generation strive to overcome it.

Sathyamoorthy, an orphan, vents his feelings in a poem but doesn’t submit it to a magazine. Surprisingly he reads a poem, penned by a girl, in a magazine that is quite similar to what he has written. He is amused and sets off to find the girl. He finds that she is a college student and living in Kutralam. He writes a letter and gets a reply. The friendship develops and it gradually evolves into love.
One fine day he goes to Kutralam to meet the girl and stays in his friend’s house. The girl is away on a college tour. Ironically, she is the sister of his friend. In the second half, the friend dies in a mishap accidentally caused by Sathyamoorthy. Wishing to atone for his fault, he takes on his friend’s responsibilities and considers his friend’s sisters as his own sisters. When the girl comes back, she finds a new brother, who is supposed to be her lover.

A mridangam maker’s son, who aspires to learn the instrument from a maestro and become a mridangam player, has to cross social and personal barriers to reach his goal.

The plot of the film explores the reasoning behind an alleged feud between the people of two districts in Tamil Nadu. The film aims at portraying the aggressive behaviour of certain miscreants, that leads to the death of a woman.